Home / 148,119.40-222,178.94-48,279.56

Finding the Fourth Proportional to 148,119.40, 222,178.94 and 48,279.56

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Solution

The fourth proportional to 148,119.40, 222,178.94 and 48,279.56 is: 72,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,119.40 : 222,178.94 = 48,279.56 : x
  2. Step 2: Convert to fraction form
    148,119.40/222,178.94 = 48,279.56/x
  3. Step 3: Cross multiply
    148,119.40x = 222,178.94 × 48,279.56
  4. Step 4: Simplify right side
    148,119.40x = 10,726,701,464.47
  5. Step 5: Solve for x
    x = 10,726,701,464.47/148,119.40
  6. Step 6: Final answer
    x = 72,419.29

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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.