Home / 156,071.20-234,020.40-62,471.20

Finding the Fourth Proportional to 156,071.20, 234,020.40 and 62,471.20

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Solution

The fourth proportional to 156,071.20, 234,020.40 and 62,471.20 is: 93,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,071.20 : 234,020.40 = 62,471.20 : x
  2. Step 2: Convert to fraction form
    156,071.20/234,020.40 = 62,471.20/x
  3. Step 3: Cross multiply
    156,071.20x = 234,020.40 × 62,471.20
  4. Step 4: Simplify right side
    156,071.20x = 14,619,535,212.48
  5. Step 5: Solve for x
    x = 14,619,535,212.48/156,071.20
  6. Step 6: Final answer
    x = 93,672.22

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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.