Home / 121,348.38-182,104.54-42,463.28

Finding the Fourth Proportional to 121,348.38, 182,104.54 and 42,463.28

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Solution

The fourth proportional to 121,348.38, 182,104.54 and 42,463.28 is: 63,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348.38 : 182,104.54 = 42,463.28 : x
  2. Step 2: Convert to fraction form
    121,348.38/182,104.54 = 42,463.28/x
  3. Step 3: Cross multiply
    121,348.38x = 182,104.54 × 42,463.28
  4. Step 4: Simplify right side
    121,348.38x = 7,732,756,071.29
  5. Step 5: Solve for x
    x = 7,732,756,071.29/121,348.38
  6. Step 6: Final answer
    x = 63,723.60

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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.