Home / 121,025.70-181,538.55-106,251.30

Finding the Fourth Proportional to 121,025.70, 181,538.55 and 106,251.30

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Solution

The fourth proportional to 121,025.70, 181,538.55 and 106,251.30 is: 159,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,025.70 : 181,538.55 = 106,251.30 : x
  2. Step 2: Convert to fraction form
    121,025.70/181,538.55 = 106,251.30/x
  3. Step 3: Cross multiply
    121,025.70x = 181,538.55 × 106,251.30
  4. Step 4: Simplify right side
    121,025.70x = 19,288,706,937.62
  5. Step 5: Solve for x
    x = 19,288,706,937.62/121,025.70
  6. Step 6: Final answer
    x = 159,376.95

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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.