Home / 156,743.60-216,330.60-88,764.08

Finding the Fourth Proportional to 156,743.60, 216,330.60 and 88,764.08

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Solution

The fourth proportional to 156,743.60, 216,330.60 and 88,764.08 is: 122,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.60 : 216,330.60 = 88,764.08 : x
  2. Step 2: Convert to fraction form
    156,743.60/216,330.60 = 88,764.08/x
  3. Step 3: Cross multiply
    156,743.60x = 216,330.60 × 88,764.08
  4. Step 4: Simplify right side
    156,743.60x = 19,202,386,684.85
  5. Step 5: Solve for x
    x = 19,202,386,684.85/156,743.60
  6. Step 6: Final answer
    x = 122,508.27

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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.