Home / 148,183.38-204,480.12-87,743.22

Finding the Fourth Proportional to 148,183.38, 204,480.12 and 87,743.22

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Solution

The fourth proportional to 148,183.38, 204,480.12 and 87,743.22 is: 121,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,183.38 : 204,480.12 = 87,743.22 : x
  2. Step 2: Convert to fraction form
    148,183.38/204,480.12 = 87,743.22/x
  3. Step 3: Cross multiply
    148,183.38x = 204,480.12 × 87,743.22
  4. Step 4: Simplify right side
    148,183.38x = 17,941,744,154.79
  5. Step 5: Solve for x
    x = 17,941,744,154.79/148,183.38
  6. Step 6: Final answer
    x = 121,077.98

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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.