Home / 134,843.78-202,305.92-40,077.12

Finding the Fourth Proportional to 134,843.78, 202,305.92 and 40,077.12

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Solution

The fourth proportional to 134,843.78, 202,305.92 and 40,077.12 is: 60,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,843.78 : 202,305.92 = 40,077.12 : x
  2. Step 2: Convert to fraction form
    134,843.78/202,305.92 = 40,077.12/x
  3. Step 3: Cross multiply
    134,843.78x = 202,305.92 × 40,077.12
  4. Step 4: Simplify right side
    134,843.78x = 8,107,838,432.16
  5. Step 5: Solve for x
    x = 8,107,838,432.16/134,843.78
  6. Step 6: Final answer
    x = 60,127.64

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1.5x scale

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.