Home / 148,543.20-222,766.20-55,036.80

Finding the Fourth Proportional to 148,543.20, 222,766.20 and 55,036.80

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Solution

The fourth proportional to 148,543.20, 222,766.20 and 55,036.80 is: 82,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,543.20 : 222,766.20 = 55,036.80 : x
  2. Step 2: Convert to fraction form
    148,543.20/222,766.20 = 55,036.80/x
  3. Step 3: Cross multiply
    148,543.20x = 222,766.20 × 55,036.80
  4. Step 4: Simplify right side
    148,543.20x = 12,260,338,796.16
  5. Step 5: Solve for x
    x = 12,260,338,796.16/148,543.20
  6. Step 6: Final answer
    x = 82,537.19

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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.