Home / 147,817.20-221,677.20-54,310.80

Finding the Fourth Proportional to 147,817.20, 221,677.20 and 54,310.80

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Solution

The fourth proportional to 147,817.20, 221,677.20 and 54,310.80 is: 81,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,817.20 : 221,677.20 = 54,310.80 : x
  2. Step 2: Convert to fraction form
    147,817.20/221,677.20 = 54,310.80/x
  3. Step 3: Cross multiply
    147,817.20x = 221,677.20 × 54,310.80
  4. Step 4: Simplify right side
    147,817.20x = 12,039,466,073.76
  5. Step 5: Solve for x
    x = 12,039,466,073.76/147,817.20
  6. Step 6: Final answer
    x = 81,448.34

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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.