Home / 198,947.84-274,505.45-118,359.61

Finding the Fourth Proportional to 198,947.84, 274,505.45 and 118,359.61

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Solution

The fourth proportional to 198,947.84, 274,505.45 and 118,359.61 is: 163,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,947.84 : 274,505.45 = 118,359.61 : x
  2. Step 2: Convert to fraction form
    198,947.84/274,505.45 = 118,359.61/x
  3. Step 3: Cross multiply
    198,947.84x = 274,505.45 × 118,359.61
  4. Step 4: Simplify right side
    198,947.84x = 32,490,356,726.81
  5. Step 5: Solve for x
    x = 32,490,356,726.81/198,947.84
  6. Step 6: Final answer
    x = 163,310.93

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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.