Home / 99,464.16-149,121.72-60,011.94

Finding the Fourth Proportional to 99,464.16, 149,121.72 and 60,011.94

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Solution

The fourth proportional to 99,464.16, 149,121.72 and 60,011.94 is: 89,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,464.16 : 149,121.72 = 60,011.94 : x
  2. Step 2: Convert to fraction form
    99,464.16/149,121.72 = 60,011.94/x
  3. Step 3: Cross multiply
    99,464.16x = 149,121.72 × 60,011.94
  4. Step 4: Simplify right side
    99,464.16x = 8,949,083,713.34
  5. Step 5: Solve for x
    x = 8,949,083,713.34/99,464.16
  6. Step 6: Final answer
    x = 89,972.95

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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.