Home / 122,656.40-183,984.60-76,000.40

Finding the Fourth Proportional to 122,656.40, 183,984.60 and 76,000.40

Calculator

Solution

The fourth proportional to 122,656.40, 183,984.60 and 76,000.40 is: 114,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,656.40 : 183,984.60 = 76,000.40 : x
  2. Step 2: Convert to fraction form
    122,656.40/183,984.60 = 76,000.40/x
  3. Step 3: Cross multiply
    122,656.40x = 183,984.60 × 76,000.40
  4. Step 4: Simplify right side
    122,656.40x = 13,982,903,193.84
  5. Step 5: Solve for x
    x = 13,982,903,193.84/122,656.40
  6. Step 6: Final answer
    x = 114,000.60

Related Problems

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.