Home / 108,294.38-162,332.49-45,149.45

Finding the Fourth Proportional to 108,294.38, 162,332.49 and 45,149.45

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Solution

The fourth proportional to 108,294.38, 162,332.49 and 45,149.45 is: 67,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,294.38 : 162,332.49 = 45,149.45 : x
  2. Step 2: Convert to fraction form
    108,294.38/162,332.49 = 45,149.45/x
  3. Step 3: Cross multiply
    108,294.38x = 162,332.49 × 45,149.45
  4. Step 4: Simplify right side
    108,294.38x = 7,329,222,640.63
  5. Step 5: Solve for x
    x = 7,329,222,640.63/108,294.38
  6. Step 6: Final answer
    x = 67,678.70

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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.