Home / 143,724.67-198,327.18-80,061.10

Finding the Fourth Proportional to 143,724.67, 198,327.18 and 80,061.10

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Solution

The fourth proportional to 143,724.67, 198,327.18 and 80,061.10 is: 110,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,724.67 : 198,327.18 = 80,061.10 : x
  2. Step 2: Convert to fraction form
    143,724.67/198,327.18 = 80,061.10/x
  3. Step 3: Cross multiply
    143,724.67x = 198,327.18 × 80,061.10
  4. Step 4: Simplify right side
    143,724.67x = 15,878,292,190.70
  5. Step 5: Solve for x
    x = 15,878,292,190.70/143,724.67
  6. Step 6: Final answer
    x = 110,477.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.