Home / 148,184.38-204,481.50-87,744.22

Finding the Fourth Proportional to 148,184.38, 204,481.50 and 87,744.22

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Solution

The fourth proportional to 148,184.38, 204,481.50 and 87,744.22 is: 121,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,184.38 : 204,481.50 = 87,744.22 : x
  2. Step 2: Convert to fraction form
    148,184.38/204,481.50 = 87,744.22/x
  3. Step 3: Cross multiply
    148,184.38x = 204,481.50 × 87,744.22
  4. Step 4: Simplify right side
    148,184.38x = 17,942,069,721.93
  5. Step 5: Solve for x
    x = 17,942,069,721.93/148,184.38
  6. Step 6: Final answer
    x = 121,079.36

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1.5x scale

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.