Home / 345,000-517,500-95,682

Finding the Fourth Proportional to 345,000, 517,500 and 95,682

Calculator

Solution

The fourth proportional to 345,000, 517,500 and 95,682 is: 143,523

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,000 : 517,500 = 95,682 : x
  2. Step 2: Convert to fraction form
    345,000/517,500 = 95,682/x
  3. Step 3: Cross multiply
    345,000x = 517,500 × 95,682
  4. Step 4: Simplify right side
    345,000x = 49,515,435,000
  5. Step 5: Solve for x
    x = 49,515,435,000/345,000
  6. Step 6: Final answer
    x = 143,523

Related Problems

Find fourth proportional to 172,500, 258,750 and 47,841
Half scale
Find fourth proportional to 690,000, 1,035,000 and 191,364
Double scale
Find fourth proportional to 345,001, 517,501.50 and 95,683
Similar ratio
Find fourth proportional to 517,500, 776,250 and 143,523
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.