Home / 143,718.03-198,335.37-82,475.42

Finding the Fourth Proportional to 143,718.03, 198,335.37 and 82,475.42

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Solution

The fourth proportional to 143,718.03, 198,335.37 and 82,475.42 is: 113,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,718.03 : 198,335.37 = 82,475.42 : x
  2. Step 2: Convert to fraction form
    143,718.03/198,335.37 = 82,475.42/x
  3. Step 3: Cross multiply
    143,718.03x = 198,335.37 × 82,475.42
  4. Step 4: Simplify right side
    143,718.03x = 16,357,792,979.96
  5. Step 5: Solve for x
    x = 16,357,792,979.96/143,718.03
  6. Step 6: Final answer
    x = 113,818.66

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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.