Home / 147,456.20-221,160-63,229.98

Finding the Fourth Proportional to 147,456.20, 221,160 and 63,229.98

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Solution

The fourth proportional to 147,456.20, 221,160 and 63,229.98 is: 94,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,456.20 : 221,160 = 63,229.98 : x
  2. Step 2: Convert to fraction form
    147,456.20/221,160 = 63,229.98/x
  3. Step 3: Cross multiply
    147,456.20x = 221,160 × 63,229.98
  4. Step 4: Simplify right side
    147,456.20x = 13,983,942,376.80
  5. Step 5: Solve for x
    x = 13,983,942,376.80/147,456.20
  6. Step 6: Final answer
    x = 94,834.55

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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.