Home / 179,220.40-268,830.60-54,545.20

Finding the Fourth Proportional to 179,220.40, 268,830.60 and 54,545.20

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Solution

The fourth proportional to 179,220.40, 268,830.60 and 54,545.20 is: 81,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,220.40 : 268,830.60 = 54,545.20 : x
  2. Step 2: Convert to fraction form
    179,220.40/268,830.60 = 54,545.20/x
  3. Step 3: Cross multiply
    179,220.40x = 268,830.60 × 54,545.20
  4. Step 4: Simplify right side
    179,220.40x = 14,663,418,843.12
  5. Step 5: Solve for x
    x = 14,663,418,843.12/179,220.40
  6. Step 6: Final answer
    x = 81,817.80

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1.5x scale

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.