Home / 102,631.20-153,925.20-43,468.80

Finding the Fourth Proportional to 102,631.20, 153,925.20 and 43,468.80

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Solution

The fourth proportional to 102,631.20, 153,925.20 and 43,468.80 is: 65,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,631.20 : 153,925.20 = 43,468.80 : x
  2. Step 2: Convert to fraction form
    102,631.20/153,925.20 = 43,468.80/x
  3. Step 3: Cross multiply
    102,631.20x = 153,925.20 × 43,468.80
  4. Step 4: Simplify right side
    102,631.20x = 6,690,943,733.76
  5. Step 5: Solve for x
    x = 6,690,943,733.76/102,631.20
  6. Step 6: Final answer
    x = 65,194.05

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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.