Home / 198,123.96-273,339.32-130,177.53

Finding the Fourth Proportional to 198,123.96, 273,339.32 and 130,177.53

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Solution

The fourth proportional to 198,123.96, 273,339.32 and 130,177.53 is: 179,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,123.96 : 273,339.32 = 130,177.53 : x
  2. Step 2: Convert to fraction form
    198,123.96/273,339.32 = 130,177.53/x
  3. Step 3: Cross multiply
    198,123.96x = 273,339.32 × 130,177.53
  4. Step 4: Simplify right side
    198,123.96x = 35,582,636,878.59
  5. Step 5: Solve for x
    x = 35,582,636,878.59/198,123.96
  6. Step 6: Final answer
    x = 179,597.85

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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.