Home / 148,085.20-221,998.20-88,944.40

Finding the Fourth Proportional to 148,085.20, 221,998.20 and 88,944.40

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Solution

The fourth proportional to 148,085.20, 221,998.20 and 88,944.40 is: 133,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,085.20 : 221,998.20 = 88,944.40 : x
  2. Step 2: Convert to fraction form
    148,085.20/221,998.20 = 88,944.40/x
  3. Step 3: Cross multiply
    148,085.20x = 221,998.20 × 88,944.40
  4. Step 4: Simplify right side
    148,085.20x = 19,745,496,700.08
  5. Step 5: Solve for x
    x = 19,745,496,700.08/148,085.20
  6. Step 6: Final answer
    x = 133,338.76

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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.