Home / 97,387.20-134,398.35-54,945.54

Finding the Fourth Proportional to 97,387.20, 134,398.35 and 54,945.54

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Solution

The fourth proportional to 97,387.20, 134,398.35 and 54,945.54 is: 75,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,387.20 : 134,398.35 = 54,945.54 : x
  2. Step 2: Convert to fraction form
    97,387.20/134,398.35 = 54,945.54/x
  3. Step 3: Cross multiply
    97,387.20x = 134,398.35 × 54,945.54
  4. Step 4: Simplify right side
    97,387.20x = 7,384,589,915.86
  5. Step 5: Solve for x
    x = 7,384,589,915.86/97,387.20
  6. Step 6: Final answer
    x = 75,827.11

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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.