Home / 132,068.20-198,005.10-89,842.90

Finding the Fourth Proportional to 132,068.20, 198,005.10 and 89,842.90

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Solution

The fourth proportional to 132,068.20, 198,005.10 and 89,842.90 is: 134,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,068.20 : 198,005.10 = 89,842.90 : x
  2. Step 2: Convert to fraction form
    132,068.20/198,005.10 = 89,842.90/x
  3. Step 3: Cross multiply
    132,068.20x = 198,005.10 × 89,842.90
  4. Step 4: Simplify right side
    132,068.20x = 17,789,352,398.79
  5. Step 5: Solve for x
    x = 17,789,352,398.79/132,068.20
  6. Step 6: Final answer
    x = 134,698.23

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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.