Home / 138,042.24-207,080.37-49,305.12

Finding the Fourth Proportional to 138,042.24, 207,080.37 and 49,305.12

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Solution

The fourth proportional to 138,042.24, 207,080.37 and 49,305.12 is: 73,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,042.24 : 207,080.37 = 49,305.12 : x
  2. Step 2: Convert to fraction form
    138,042.24/207,080.37 = 49,305.12/x
  3. Step 3: Cross multiply
    138,042.24x = 207,080.37 × 49,305.12
  4. Step 4: Simplify right side
    138,042.24x = 10,210,122,492.49
  5. Step 5: Solve for x
    x = 10,210,122,492.49/138,042.24
  6. Step 6: Final answer
    x = 73,963.76

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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.