Home / 198,803.97-273,971.57-142,116.93

Finding the Fourth Proportional to 198,803.97, 273,971.57 and 142,116.93

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Solution

The fourth proportional to 198,803.97, 273,971.57 and 142,116.93 is: 195,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,803.97 : 273,971.57 = 142,116.93 : x
  2. Step 2: Convert to fraction form
    198,803.97/273,971.57 = 142,116.93/x
  3. Step 3: Cross multiply
    198,803.97x = 273,971.57 × 142,116.93
  4. Step 4: Simplify right side
    198,803.97x = 38,935,997,725.10
  5. Step 5: Solve for x
    x = 38,935,997,725.10/198,803.97
  6. Step 6: Final answer
    x = 195,851.21

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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.