Home / 89,864.20-134,796.30-75,867.40

Finding the Fourth Proportional to 89,864.20, 134,796.30 and 75,867.40

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Solution

The fourth proportional to 89,864.20, 134,796.30 and 75,867.40 is: 113,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.20 : 134,796.30 = 75,867.40 : x
  2. Step 2: Convert to fraction form
    89,864.20/134,796.30 = 75,867.40/x
  3. Step 3: Cross multiply
    89,864.20x = 134,796.30 × 75,867.40
  4. Step 4: Simplify right side
    89,864.20x = 10,226,644,810.62
  5. Step 5: Solve for x
    x = 10,226,644,810.62/89,864.20
  6. Step 6: Final answer
    x = 113,801.10

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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.