Home / 89,398.12-134,060.74-38,800.68

Finding the Fourth Proportional to 89,398.12, 134,060.74 and 38,800.68

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Solution

The fourth proportional to 89,398.12, 134,060.74 and 38,800.68 is: 58,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.12 : 134,060.74 = 38,800.68 : x
  2. Step 2: Convert to fraction form
    89,398.12/134,060.74 = 38,800.68/x
  3. Step 3: Cross multiply
    89,398.12x = 134,060.74 × 38,800.68
  4. Step 4: Simplify right side
    89,398.12x = 5,201,647,873.30
  5. Step 5: Solve for x
    x = 5,201,647,873.30/89,398.12
  6. Step 6: Final answer
    x = 58,185.20

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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.