Home / 98,248.42-147,401.38-31,687.20

Finding the Fourth Proportional to 98,248.42, 147,401.38 and 31,687.20

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Solution

The fourth proportional to 98,248.42, 147,401.38 and 31,687.20 is: 47,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,248.42 : 147,401.38 = 31,687.20 : x
  2. Step 2: Convert to fraction form
    98,248.42/147,401.38 = 31,687.20/x
  3. Step 3: Cross multiply
    98,248.42x = 147,401.38 × 31,687.20
  4. Step 4: Simplify right side
    98,248.42x = 4,670,737,008.34
  5. Step 5: Solve for x
    x = 4,670,737,008.34/98,248.42
  6. Step 6: Final answer
    x = 47,540.07

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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.