Home / 156,724.80-216,277.20-88,736.64

Finding the Fourth Proportional to 156,724.80, 216,277.20 and 88,736.64

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Solution

The fourth proportional to 156,724.80, 216,277.20 and 88,736.64 is: 122,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,724.80 : 216,277.20 = 88,736.64 : x
  2. Step 2: Convert to fraction form
    156,724.80/216,277.20 = 88,736.64/x
  3. Step 3: Cross multiply
    156,724.80x = 216,277.20 × 88,736.64
  4. Step 4: Simplify right side
    156,724.80x = 19,191,712,036.61
  5. Step 5: Solve for x
    x = 19,191,712,036.61/156,724.80
  6. Step 6: Final answer
    x = 122,454.85

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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.