Home / 72,126.19-108,178.33-25,368.13

Finding the Fourth Proportional to 72,126.19, 108,178.33 and 25,368.13

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Solution

The fourth proportional to 72,126.19, 108,178.33 and 25,368.13 is: 38,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,126.19 : 108,178.33 = 25,368.13 : x
  2. Step 2: Convert to fraction form
    72,126.19/108,178.33 = 25,368.13/x
  3. Step 3: Cross multiply
    72,126.19x = 108,178.33 × 25,368.13
  4. Step 4: Simplify right side
    72,126.19x = 2,744,281,397.73
  5. Step 5: Solve for x
    x = 2,744,281,397.73/72,126.19
  6. Step 6: Final answer
    x = 38,048.34

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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.