Home / 156,248.20-215,635.80-88,277.62

Finding the Fourth Proportional to 156,248.20, 215,635.80 and 88,277.62

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Solution

The fourth proportional to 156,248.20, 215,635.80 and 88,277.62 is: 121,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,248.20 : 215,635.80 = 88,277.62 : x
  2. Step 2: Convert to fraction form
    156,248.20/215,635.80 = 88,277.62/x
  3. Step 3: Cross multiply
    156,248.20x = 215,635.80 × 88,277.62
  4. Step 4: Simplify right side
    156,248.20x = 19,035,815,210.80
  5. Step 5: Solve for x
    x = 19,035,815,210.80/156,248.20
  6. Step 6: Final answer
    x = 121,830.62

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1.5x scale

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.