Home / 138,414.96-207,602.73-43,632.84

Finding the Fourth Proportional to 138,414.96, 207,602.73 and 43,632.84

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Solution

The fourth proportional to 138,414.96, 207,602.73 and 43,632.84 is: 65,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,414.96 : 207,602.73 = 43,632.84 : x
  2. Step 2: Convert to fraction form
    138,414.96/207,602.73 = 43,632.84/x
  3. Step 3: Cross multiply
    138,414.96x = 207,602.73 × 43,632.84
  4. Step 4: Simplify right side
    138,414.96x = 9,058,296,701.65
  5. Step 5: Solve for x
    x = 9,058,296,701.65/138,414.96
  6. Step 6: Final answer
    x = 65,443.05

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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.