Home / 81,459.68-122,165.55-24,531.26

Finding the Fourth Proportional to 81,459.68, 122,165.55 and 24,531.26

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Solution

The fourth proportional to 81,459.68, 122,165.55 and 24,531.26 is: 36,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,459.68 : 122,165.55 = 24,531.26 : x
  2. Step 2: Convert to fraction form
    81,459.68/122,165.55 = 24,531.26/x
  3. Step 3: Cross multiply
    81,459.68x = 122,165.55 × 24,531.26
  4. Step 4: Simplify right side
    81,459.68x = 2,996,874,259.27
  5. Step 5: Solve for x
    x = 2,996,874,259.27/81,459.68
  6. Step 6: Final answer
    x = 36,789.67

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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.