Home / 198,407.02-273,787.53-112,341.28

Finding the Fourth Proportional to 198,407.02, 273,787.53 and 112,341.28

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Solution

The fourth proportional to 198,407.02, 273,787.53 and 112,341.28 is: 155,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,407.02 : 273,787.53 = 112,341.28 : x
  2. Step 2: Convert to fraction form
    198,407.02/273,787.53 = 112,341.28/x
  3. Step 3: Cross multiply
    198,407.02x = 273,787.53 × 112,341.28
  4. Step 4: Simplify right side
    198,407.02x = 30,757,641,568.24
  5. Step 5: Solve for x
    x = 30,757,641,568.24/198,407.02
  6. Step 6: Final answer
    x = 155,022.95

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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.