Home / 99,439.02-149,102.94-32,861.28

Finding the Fourth Proportional to 99,439.02, 149,102.94 and 32,861.28

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Solution

The fourth proportional to 99,439.02, 149,102.94 and 32,861.28 is: 49,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,439.02 : 149,102.94 = 32,861.28 : x
  2. Step 2: Convert to fraction form
    99,439.02/149,102.94 = 32,861.28/x
  3. Step 3: Cross multiply
    99,439.02x = 149,102.94 × 32,861.28
  4. Step 4: Simplify right side
    99,439.02x = 4,899,713,460.16
  5. Step 5: Solve for x
    x = 4,899,713,460.16/99,439.02
  6. Step 6: Final answer
    x = 49,273.55

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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.