Home / 148,118.40-222,177.44-48,278.56

Finding the Fourth Proportional to 148,118.40, 222,177.44 and 48,278.56

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Solution

The fourth proportional to 148,118.40, 222,177.44 and 48,278.56 is: 72,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,118.40 : 222,177.44 = 48,278.56 : x
  2. Step 2: Convert to fraction form
    148,118.40/222,177.44 = 48,278.56/x
  3. Step 3: Cross multiply
    148,118.40x = 222,177.44 × 48,278.56
  4. Step 4: Simplify right side
    148,118.40x = 10,726,406,867.69
  5. Step 5: Solve for x
    x = 10,726,406,867.69/148,118.40
  6. Step 6: Final answer
    x = 72,417.79

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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.