Home / 134,789.50-202,077.72-67,286.89

Finding the Fourth Proportional to 134,789.50, 202,077.72 and 67,286.89

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Solution

The fourth proportional to 134,789.50, 202,077.72 and 67,286.89 is: 100,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,789.50 : 202,077.72 = 67,286.89 : x
  2. Step 2: Convert to fraction form
    134,789.50/202,077.72 = 67,286.89/x
  3. Step 3: Cross multiply
    134,789.50x = 202,077.72 × 67,286.89
  4. Step 4: Simplify right side
    134,789.50x = 13,597,181,317.09
  5. Step 5: Solve for x
    x = 13,597,181,317.09/134,789.50
  6. Step 6: Final answer
    x = 100,877.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.