Home / 119,839.44-165,377.10-66,126.72

Finding the Fourth Proportional to 119,839.44, 165,377.10 and 66,126.72

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Solution

The fourth proportional to 119,839.44, 165,377.10 and 66,126.72 is: 91,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,839.44 : 165,377.10 = 66,126.72 : x
  2. Step 2: Convert to fraction form
    119,839.44/165,377.10 = 66,126.72/x
  3. Step 3: Cross multiply
    119,839.44x = 165,377.10 × 66,126.72
  4. Step 4: Simplify right side
    119,839.44x = 10,935,845,186.11
  5. Step 5: Solve for x
    x = 10,935,845,186.11/119,839.44
  6. Step 6: Final answer
    x = 91,254.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.