Home / 120,958.07-181,436.90-49,920.66

Finding the Fourth Proportional to 120,958.07, 181,436.90 and 49,920.66

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Solution

The fourth proportional to 120,958.07, 181,436.90 and 49,920.66 is: 74,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,958.07 : 181,436.90 = 49,920.66 : x
  2. Step 2: Convert to fraction form
    120,958.07/181,436.90 = 49,920.66/x
  3. Step 3: Cross multiply
    120,958.07x = 181,436.90 × 49,920.66
  4. Step 4: Simplify right side
    120,958.07x = 9,057,449,546.75
  5. Step 5: Solve for x
    x = 9,057,449,546.75/120,958.07
  6. Step 6: Final answer
    x = 74,880.91

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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.