Home / 156,367.80-234,618.12-77,483.52

Finding the Fourth Proportional to 156,367.80, 234,618.12 and 77,483.52

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Solution

The fourth proportional to 156,367.80, 234,618.12 and 77,483.52 is: 116,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,367.80 : 234,618.12 = 77,483.52 : x
  2. Step 2: Convert to fraction form
    156,367.80/234,618.12 = 77,483.52/x
  3. Step 3: Cross multiply
    156,367.80x = 234,618.12 × 77,483.52
  4. Step 4: Simplify right side
    156,367.80x = 18,179,037,793.38
  5. Step 5: Solve for x
    x = 18,179,037,793.38/156,367.80
  6. Step 6: Final answer
    x = 116,258.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.