Home / 99,081.20-148,509.84-49,196.90

Finding the Fourth Proportional to 99,081.20, 148,509.84 and 49,196.90

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Solution

The fourth proportional to 99,081.20, 148,509.84 and 49,196.90 is: 73,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081.20 : 148,509.84 = 49,196.90 : x
  2. Step 2: Convert to fraction form
    99,081.20/148,509.84 = 49,196.90/x
  3. Step 3: Cross multiply
    99,081.20x = 148,509.84 × 49,196.90
  4. Step 4: Simplify right side
    99,081.20x = 7,306,223,747.50
  5. Step 5: Solve for x
    x = 7,306,223,747.50/99,081.20
  6. Step 6: Final answer
    x = 73,739.76

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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.