Home / 120,868.44-181,240.40-54,251.49

Finding the Fourth Proportional to 120,868.44, 181,240.40 and 54,251.49

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Solution

The fourth proportional to 120,868.44, 181,240.40 and 54,251.49 is: 81,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,868.44 : 181,240.40 = 54,251.49 : x
  2. Step 2: Convert to fraction form
    120,868.44/181,240.40 = 54,251.49/x
  3. Step 3: Cross multiply
    120,868.44x = 181,240.40 × 54,251.49
  4. Step 4: Simplify right side
    120,868.44x = 9,832,561,476.94
  5. Step 5: Solve for x
    x = 9,832,561,476.94/120,868.44
  6. Step 6: Final answer
    x = 81,349.29

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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.