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Finding the Fourth Proportional to 124,468.52, 186,713.51 and 53,394.39

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Solution

The fourth proportional to 124,468.52, 186,713.51 and 53,394.39 is: 80,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468.52 : 186,713.51 = 53,394.39 : x
  2. Step 2: Convert to fraction form
    124,468.52/186,713.51 = 53,394.39/x
  3. Step 3: Cross multiply
    124,468.52x = 186,713.51 × 53,394.39
  4. Step 4: Simplify right side
    124,468.52x = 9,969,453,704.24
  5. Step 5: Solve for x
    x = 9,969,453,704.24/124,468.52
  6. Step 6: Final answer
    x = 80,096.19

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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.