Home / 102,483.28-141,445.25-66,229.65

Finding the Fourth Proportional to 102,483.28, 141,445.25 and 66,229.65

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Solution

The fourth proportional to 102,483.28, 141,445.25 and 66,229.65 is: 91,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,483.28 : 141,445.25 = 66,229.65 : x
  2. Step 2: Convert to fraction form
    102,483.28/141,445.25 = 66,229.65/x
  3. Step 3: Cross multiply
    102,483.28x = 141,445.25 × 66,229.65
  4. Step 4: Simplify right side
    102,483.28x = 9,367,869,412.01
  5. Step 5: Solve for x
    x = 9,367,869,412.01/102,483.28
  6. Step 6: Final answer
    x = 91,408.76

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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.