Home / 107,853.40-161,780.10-60,614.20

Finding the Fourth Proportional to 107,853.40, 161,780.10 and 60,614.20

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Solution

The fourth proportional to 107,853.40, 161,780.10 and 60,614.20 is: 90,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853.40 : 161,780.10 = 60,614.20 : x
  2. Step 2: Convert to fraction form
    107,853.40/161,780.10 = 60,614.20/x
  3. Step 3: Cross multiply
    107,853.40x = 161,780.10 × 60,614.20
  4. Step 4: Simplify right side
    107,853.40x = 9,806,171,337.42
  5. Step 5: Solve for x
    x = 9,806,171,337.42/107,853.40
  6. Step 6: Final answer
    x = 90,921.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.