Home / 156,660.33-235,041-72,475.64

Finding the Fourth Proportional to 156,660.33, 235,041 and 72,475.64

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Solution

The fourth proportional to 156,660.33, 235,041 and 72,475.64 is: 108,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,660.33 : 235,041 = 72,475.64 : x
  2. Step 2: Convert to fraction form
    156,660.33/235,041 = 72,475.64/x
  3. Step 3: Cross multiply
    156,660.33x = 235,041 × 72,475.64
  4. Step 4: Simplify right side
    156,660.33x = 17,034,745,726.04
  5. Step 5: Solve for x
    x = 17,034,745,726.04/156,660.33
  6. Step 6: Final answer
    x = 108,736.82

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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.