Home / 121,395.60-182,093.40-108,601.65

Finding the Fourth Proportional to 121,395.60, 182,093.40 and 108,601.65

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Solution

The fourth proportional to 121,395.60, 182,093.40 and 108,601.65 is: 162,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,395.60 : 182,093.40 = 108,601.65 : x
  2. Step 2: Convert to fraction form
    121,395.60/182,093.40 = 108,601.65/x
  3. Step 3: Cross multiply
    121,395.60x = 182,093.40 × 108,601.65
  4. Step 4: Simplify right side
    121,395.60x = 19,775,643,694.11
  5. Step 5: Solve for x
    x = 19,775,643,694.11/121,395.60
  6. Step 6: Final answer
    x = 162,902.48

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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.