Home / 99,172-148,758-25,300

Finding the Fourth Proportional to 99,172, 148,758 and 25,300

Calculator

Solution

The fourth proportional to 99,172, 148,758 and 25,300 is: 37,950

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,172 : 148,758 = 25,300 : x
  2. Step 2: Convert to fraction form
    99,172/148,758 = 25,300/x
  3. Step 3: Cross multiply
    99,172x = 148,758 × 25,300
  4. Step 4: Simplify right side
    99,172x = 3,763,577,400
  5. Step 5: Solve for x
    x = 3,763,577,400/99,172
  6. Step 6: Final answer
    x = 37,950

Related Problems

Find fourth proportional to 49,586, 74,379 and 12,650
Half scale
Find fourth proportional to 198,344, 297,516 and 50,600
Double scale
Find fourth proportional to 99,173, 148,759.50 and 25,301
Similar ratio
Find fourth proportional to 148,758, 223,137 and 37,950
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.