Home / 98,424.18-147,414.31-45,722.76

Finding the Fourth Proportional to 98,424.18, 147,414.31 and 45,722.76

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Solution

The fourth proportional to 98,424.18, 147,414.31 and 45,722.76 is: 68,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,424.18 : 147,414.31 = 45,722.76 : x
  2. Step 2: Convert to fraction form
    98,424.18/147,414.31 = 45,722.76/x
  3. Step 3: Cross multiply
    98,424.18x = 147,414.31 × 45,722.76
  4. Step 4: Simplify right side
    98,424.18x = 6,740,189,116.70
  5. Step 5: Solve for x
    x = 6,740,189,116.70/98,424.18
  6. Step 6: Final answer
    x = 68,481.03

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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.