Home / 98,246.38-147,246.32-42,020.50

Finding the Fourth Proportional to 98,246.38, 147,246.32 and 42,020.50

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Solution

The fourth proportional to 98,246.38, 147,246.32 and 42,020.50 is: 62,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,246.38 : 147,246.32 = 42,020.50 : x
  2. Step 2: Convert to fraction form
    98,246.38/147,246.32 = 42,020.50/x
  3. Step 3: Cross multiply
    98,246.38x = 147,246.32 × 42,020.50
  4. Step 4: Simplify right side
    98,246.38x = 6,187,363,989.56
  5. Step 5: Solve for x
    x = 6,187,363,989.56/98,246.38
  6. Step 6: Final answer
    x = 62,978.04

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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.