Home / 134,370.70-185,508.06-89,109.78

Finding the Fourth Proportional to 134,370.70, 185,508.06 and 89,109.78

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Solution

The fourth proportional to 134,370.70, 185,508.06 and 89,109.78 is: 123,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,370.70 : 185,508.06 = 89,109.78 : x
  2. Step 2: Convert to fraction form
    134,370.70/185,508.06 = 89,109.78/x
  3. Step 3: Cross multiply
    134,370.70x = 185,508.06 × 89,109.78
  4. Step 4: Simplify right side
    134,370.70x = 16,530,582,414.83
  5. Step 5: Solve for x
    x = 16,530,582,414.83/134,370.70
  6. Step 6: Final answer
    x = 123,022.22

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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.