Home / 156,252.20-215,641.30-88,281.64

Finding the Fourth Proportional to 156,252.20, 215,641.30 and 88,281.64

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Solution

The fourth proportional to 156,252.20, 215,641.30 and 88,281.64 is: 121,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,252.20 : 215,641.30 = 88,281.64 : x
  2. Step 2: Convert to fraction form
    156,252.20/215,641.30 = 88,281.64/x
  3. Step 3: Cross multiply
    156,252.20x = 215,641.30 × 88,281.64
  4. Step 4: Simplify right side
    156,252.20x = 19,037,167,615.73
  5. Step 5: Solve for x
    x = 19,037,167,615.73/156,252.20
  6. Step 6: Final answer
    x = 121,836.16

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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.