Home / 148,078.80-222,118.20-54,572.40

Finding the Fourth Proportional to 148,078.80, 222,118.20 and 54,572.40

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Solution

The fourth proportional to 148,078.80, 222,118.20 and 54,572.40 is: 81,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,078.80 : 222,118.20 = 54,572.40 : x
  2. Step 2: Convert to fraction form
    148,078.80/222,118.20 = 54,572.40/x
  3. Step 3: Cross multiply
    148,078.80x = 222,118.20 × 54,572.40
  4. Step 4: Simplify right side
    148,078.80x = 12,121,523,257.68
  5. Step 5: Solve for x
    x = 12,121,523,257.68/148,078.80
  6. Step 6: Final answer
    x = 81,858.60

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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.