Home / 156,747.33-216,400.98-103,188.04

Finding the Fourth Proportional to 156,747.33, 216,400.98 and 103,188.04

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Solution

The fourth proportional to 156,747.33, 216,400.98 and 103,188.04 is: 142,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.33 : 216,400.98 = 103,188.04 : x
  2. Step 2: Convert to fraction form
    156,747.33/216,400.98 = 103,188.04/x
  3. Step 3: Cross multiply
    156,747.33x = 216,400.98 × 103,188.04
  4. Step 4: Simplify right side
    156,747.33x = 22,329,993,753.27
  5. Step 5: Solve for x
    x = 22,329,993,753.27/156,747.33
  6. Step 6: Final answer
    x = 142,458.53

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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.