Home / 198,539.16-273,997.89-112,497.36

Finding the Fourth Proportional to 198,539.16, 273,997.89 and 112,497.36

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Solution

The fourth proportional to 198,539.16, 273,997.89 and 112,497.36 is: 155,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,539.16 : 273,997.89 = 112,497.36 : x
  2. Step 2: Convert to fraction form
    198,539.16/273,997.89 = 112,497.36/x
  3. Step 3: Cross multiply
    198,539.16x = 273,997.89 × 112,497.36
  4. Step 4: Simplify right side
    198,539.16x = 30,824,039,270.57
  5. Step 5: Solve for x
    x = 30,824,039,270.57/198,539.16
  6. Step 6: Final answer
    x = 155,254.20

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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.