Home / 97,437.43-146,146.58-66,049.12

Finding the Fourth Proportional to 97,437.43, 146,146.58 and 66,049.12

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Solution

The fourth proportional to 97,437.43, 146,146.58 and 66,049.12 is: 99,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,437.43 : 146,146.58 = 66,049.12 : x
  2. Step 2: Convert to fraction form
    97,437.43/146,146.58 = 66,049.12/x
  3. Step 3: Cross multiply
    97,437.43x = 146,146.58 × 66,049.12
  4. Step 4: Simplify right side
    97,437.43x = 9,652,853,100.13
  5. Step 5: Solve for x
    x = 9,652,853,100.13/97,437.43
  6. Step 6: Final answer
    x = 99,067.20

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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.