Home / 147,396.92-221,057.10-42,191.28

Finding the Fourth Proportional to 147,396.92, 221,057.10 and 42,191.28

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Solution

The fourth proportional to 147,396.92, 221,057.10 and 42,191.28 is: 63,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,396.92 : 221,057.10 = 42,191.28 : x
  2. Step 2: Convert to fraction form
    147,396.92/221,057.10 = 42,191.28/x
  3. Step 3: Cross multiply
    147,396.92x = 221,057.10 × 42,191.28
  4. Step 4: Simplify right side
    147,396.92x = 9,326,682,002.09
  5. Step 5: Solve for x
    x = 9,326,682,002.09/147,396.92
  6. Step 6: Final answer
    x = 63,275.96

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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.