Home / 179,538.11-247,693.03-103,029.56

Finding the Fourth Proportional to 179,538.11, 247,693.03 and 103,029.56

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Solution

The fourth proportional to 179,538.11, 247,693.03 and 103,029.56 is: 142,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,538.11 : 247,693.03 = 103,029.56 : x
  2. Step 2: Convert to fraction form
    179,538.11/247,693.03 = 103,029.56/x
  3. Step 3: Cross multiply
    179,538.11x = 247,693.03 × 103,029.56
  4. Step 4: Simplify right side
    179,538.11x = 25,519,703,895.97
  5. Step 5: Solve for x
    x = 25,519,703,895.97/179,538.11
  6. Step 6: Final answer
    x = 142,140.87

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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.