Home / 198,064.38-273,304.29-126,486.30

Finding the Fourth Proportional to 198,064.38, 273,304.29 and 126,486.30

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Solution

The fourth proportional to 198,064.38, 273,304.29 and 126,486.30 is: 174,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,064.38 : 273,304.29 = 126,486.30 : x
  2. Step 2: Convert to fraction form
    198,064.38/273,304.29 = 126,486.30/x
  3. Step 3: Cross multiply
    198,064.38x = 273,304.29 × 126,486.30
  4. Step 4: Simplify right side
    198,064.38x = 34,569,248,416.23
  5. Step 5: Solve for x
    x = 34,569,248,416.23/198,064.38
  6. Step 6: Final answer
    x = 174,535.41

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1.5x scale

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.