Home / 99,311.05-148,767.12-45,928.20

Finding the Fourth Proportional to 99,311.05, 148,767.12 and 45,928.20

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Solution

The fourth proportional to 99,311.05, 148,767.12 and 45,928.20 is: 68,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,311.05 : 148,767.12 = 45,928.20 : x
  2. Step 2: Convert to fraction form
    99,311.05/148,767.12 = 45,928.20/x
  3. Step 3: Cross multiply
    99,311.05x = 148,767.12 × 45,928.20
  4. Step 4: Simplify right side
    99,311.05x = 6,832,606,040.78
  5. Step 5: Solve for x
    x = 6,832,606,040.78/99,311.05
  6. Step 6: Final answer
    x = 68,800.06

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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.