Home / 156,248.12-215,635.67-88,277.58

Finding the Fourth Proportional to 156,248.12, 215,635.67 and 88,277.58

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Solution

The fourth proportional to 156,248.12, 215,635.67 and 88,277.58 is: 121,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,248.12 : 215,635.67 = 88,277.58 : x
  2. Step 2: Convert to fraction form
    156,248.12/215,635.67 = 88,277.58/x
  3. Step 3: Cross multiply
    156,248.12x = 215,635.67 × 88,277.58
  4. Step 4: Simplify right side
    156,248.12x = 19,035,794,998.93
  5. Step 5: Solve for x
    x = 19,035,794,998.93/156,248.12
  6. Step 6: Final answer
    x = 121,830.55

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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.