Home / 102,968.96-142,132.20-60,540.08

Finding the Fourth Proportional to 102,968.96, 142,132.20 and 60,540.08

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Solution

The fourth proportional to 102,968.96, 142,132.20 and 60,540.08 is: 83,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,968.96 : 142,132.20 = 60,540.08 : x
  2. Step 2: Convert to fraction form
    102,968.96/142,132.20 = 60,540.08/x
  3. Step 3: Cross multiply
    102,968.96x = 142,132.20 × 60,540.08
  4. Step 4: Simplify right side
    102,968.96x = 8,604,694,758.58
  5. Step 5: Solve for x
    x = 8,604,694,758.58/102,968.96
  6. Step 6: Final answer
    x = 83,565.91

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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.