Home / 99,288.20-148,932.30-83,736.20

Finding the Fourth Proportional to 99,288.20, 148,932.30 and 83,736.20

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Solution

The fourth proportional to 99,288.20, 148,932.30 and 83,736.20 is: 125,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288.20 : 148,932.30 = 83,736.20 : x
  2. Step 2: Convert to fraction form
    99,288.20/148,932.30 = 83,736.20/x
  3. Step 3: Cross multiply
    99,288.20x = 148,932.30 × 83,736.20
  4. Step 4: Simplify right side
    99,288.20x = 12,471,024,859.26
  5. Step 5: Solve for x
    x = 12,471,024,859.26/99,288.20
  6. Step 6: Final answer
    x = 125,604.30

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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.