Home / 97,884.70-146,827.05-81,277.90

Finding the Fourth Proportional to 97,884.70, 146,827.05 and 81,277.90

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Solution

The fourth proportional to 97,884.70, 146,827.05 and 81,277.90 is: 121,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,884.70 : 146,827.05 = 81,277.90 : x
  2. Step 2: Convert to fraction form
    97,884.70/146,827.05 = 81,277.90/x
  3. Step 3: Cross multiply
    97,884.70x = 146,827.05 × 81,277.90
  4. Step 4: Simplify right side
    97,884.70x = 11,933,794,287.20
  5. Step 5: Solve for x
    x = 11,933,794,287.20/97,884.70
  6. Step 6: Final answer
    x = 121,916.85

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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.