Home / 148,385.40-222,578.10-43,207.80

Finding the Fourth Proportional to 148,385.40, 222,578.10 and 43,207.80

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Solution

The fourth proportional to 148,385.40, 222,578.10 and 43,207.80 is: 64,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,385.40 : 222,578.10 = 43,207.80 : x
  2. Step 2: Convert to fraction form
    148,385.40/222,578.10 = 43,207.80/x
  3. Step 3: Cross multiply
    148,385.40x = 222,578.10 × 43,207.80
  4. Step 4: Simplify right side
    148,385.40x = 9,617,110,029.18
  5. Step 5: Solve for x
    x = 9,617,110,029.18/148,385.40
  6. Step 6: Final answer
    x = 64,811.70

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Similar ratio
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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.