Home / 103,217.68-142,445.46-60,789.88

Finding the Fourth Proportional to 103,217.68, 142,445.46 and 60,789.88

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Solution

The fourth proportional to 103,217.68, 142,445.46 and 60,789.88 is: 83,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,217.68 : 142,445.46 = 60,789.88 : x
  2. Step 2: Convert to fraction form
    103,217.68/142,445.46 = 60,789.88/x
  3. Step 3: Cross multiply
    103,217.68x = 142,445.46 × 60,789.88
  4. Step 4: Simplify right side
    103,217.68x = 8,659,242,419.94
  5. Step 5: Solve for x
    x = 8,659,242,419.94/103,217.68
  6. Step 6: Final answer
    x = 83,893.02

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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.