Home / 148,760.64-205,220.97-88,296.96

Finding the Fourth Proportional to 148,760.64, 205,220.97 and 88,296.96

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Solution

The fourth proportional to 148,760.64, 205,220.97 and 88,296.96 is: 121,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,760.64 : 205,220.97 = 88,296.96 : x
  2. Step 2: Convert to fraction form
    148,760.64/205,220.97 = 88,296.96/x
  3. Step 3: Cross multiply
    148,760.64x = 205,220.97 × 88,296.96
  4. Step 4: Simplify right side
    148,760.64x = 18,120,387,779.25
  5. Step 5: Solve for x
    x = 18,120,387,779.25/148,760.64
  6. Step 6: Final answer
    x = 121,809.02

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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.