Home / 143,766.93-198,399.18-83,373.43

Finding the Fourth Proportional to 143,766.93, 198,399.18 and 83,373.43

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Solution

The fourth proportional to 143,766.93, 198,399.18 and 83,373.43 is: 115,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,766.93 : 198,399.18 = 83,373.43 : x
  2. Step 2: Convert to fraction form
    143,766.93/198,399.18 = 83,373.43/x
  3. Step 3: Cross multiply
    143,766.93x = 198,399.18 × 83,373.43
  4. Step 4: Simplify right side
    143,766.93x = 16,541,220,145.79
  5. Step 5: Solve for x
    x = 16,541,220,145.79/143,766.93
  6. Step 6: Final answer
    x = 115,055.81

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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.