Home / 156,758.28-216,331.53-88,773.79

Finding the Fourth Proportional to 156,758.28, 216,331.53 and 88,773.79

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Solution

The fourth proportional to 156,758.28, 216,331.53 and 88,773.79 is: 122,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,758.28 : 216,331.53 = 88,773.79 : x
  2. Step 2: Convert to fraction form
    156,758.28/216,331.53 = 88,773.79/x
  3. Step 3: Cross multiply
    156,758.28x = 216,331.53 × 88,773.79
  4. Step 4: Simplify right side
    156,758.28x = 19,204,569,814.60
  5. Step 5: Solve for x
    x = 19,204,569,814.60/156,758.28
  6. Step 6: Final answer
    x = 122,510.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.