Home / 89,442.59-134,170.10-30,258.26

Finding the Fourth Proportional to 89,442.59, 134,170.10 and 30,258.26

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Solution

The fourth proportional to 89,442.59, 134,170.10 and 30,258.26 is: 45,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,442.59 : 134,170.10 = 30,258.26 : x
  2. Step 2: Convert to fraction form
    89,442.59/134,170.10 = 30,258.26/x
  3. Step 3: Cross multiply
    89,442.59x = 134,170.10 × 30,258.26
  4. Step 4: Simplify right side
    89,442.59x = 4,059,752,947.88
  5. Step 5: Solve for x
    x = 4,059,752,947.88/89,442.59
  6. Step 6: Final answer
    x = 45,389.48

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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.