Home / 126,837.43-175,028.90-69,473.79

Finding the Fourth Proportional to 126,837.43, 175,028.90 and 69,473.79

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Solution

The fourth proportional to 126,837.43, 175,028.90 and 69,473.79 is: 95,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,837.43 : 175,028.90 = 69,473.79 : x
  2. Step 2: Convert to fraction form
    126,837.43/175,028.90 = 69,473.79/x
  3. Step 3: Cross multiply
    126,837.43x = 175,028.90 × 69,473.79
  4. Step 4: Simplify right side
    126,837.43x = 12,159,920,695.16
  5. Step 5: Solve for x
    x = 12,159,920,695.16/126,837.43
  6. Step 6: Final answer
    x = 95,870.13

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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.