Home / 99,669.72-149,544.39-40,510.02

Finding the Fourth Proportional to 99,669.72, 149,544.39 and 40,510.02

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Solution

The fourth proportional to 99,669.72, 149,544.39 and 40,510.02 is: 60,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,669.72 : 149,544.39 = 40,510.02 : x
  2. Step 2: Convert to fraction form
    99,669.72/149,544.39 = 40,510.02/x
  3. Step 3: Cross multiply
    99,669.72x = 149,544.39 × 40,510.02
  4. Step 4: Simplify right side
    99,669.72x = 6,058,046,229.79
  5. Step 5: Solve for x
    x = 6,058,046,229.79/99,669.72
  6. Step 6: Final answer
    x = 60,781.21

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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.