Home / 98,728.18-147,958.05-41,754.71

Finding the Fourth Proportional to 98,728.18, 147,958.05 and 41,754.71

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Solution

The fourth proportional to 98,728.18, 147,958.05 and 41,754.71 is: 62,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,728.18 : 147,958.05 = 41,754.71 : x
  2. Step 2: Convert to fraction form
    98,728.18/147,958.05 = 41,754.71/x
  3. Step 3: Cross multiply
    98,728.18x = 147,958.05 × 41,754.71
  4. Step 4: Simplify right side
    98,728.18x = 6,177,945,839.81
  5. Step 5: Solve for x
    x = 6,177,945,839.81/98,728.18
  6. Step 6: Final answer
    x = 62,575.31

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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.