Home / 138,003.15-207,004.73-43,234.13

Finding the Fourth Proportional to 138,003.15, 207,004.73 and 43,234.13

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Solution

The fourth proportional to 138,003.15, 207,004.73 and 43,234.13 is: 64,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,003.15 : 207,004.73 = 43,234.13 : x
  2. Step 2: Convert to fraction form
    138,003.15/207,004.73 = 43,234.13/x
  3. Step 3: Cross multiply
    138,003.15x = 207,004.73 × 43,234.13
  4. Step 4: Simplify right side
    138,003.15x = 8,949,669,407.43
  5. Step 5: Solve for x
    x = 8,949,669,407.43/138,003.15
  6. Step 6: Final answer
    x = 64,851.20

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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.