Home / 143,851.46-198,600.12-127,891.80

Finding the Fourth Proportional to 143,851.46, 198,600.12 and 127,891.80

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Solution

The fourth proportional to 143,851.46, 198,600.12 and 127,891.80 is: 176,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,851.46 : 198,600.12 = 127,891.80 : x
  2. Step 2: Convert to fraction form
    143,851.46/198,600.12 = 127,891.80/x
  3. Step 3: Cross multiply
    143,851.46x = 198,600.12 × 127,891.80
  4. Step 4: Simplify right side
    143,851.46x = 25,399,326,827.02
  5. Step 5: Solve for x
    x = 25,399,326,827.02/143,851.46
  6. Step 6: Final answer
    x = 176,566.35

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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.