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Finding the Fourth Proportional to 119,494.74, 179,268.13 and 36,386.58

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Solution

The fourth proportional to 119,494.74, 179,268.13 and 36,386.58 is: 54,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,494.74 : 179,268.13 = 36,386.58 : x
  2. Step 2: Convert to fraction form
    119,494.74/179,268.13 = 36,386.58/x
  3. Step 3: Cross multiply
    119,494.74x = 179,268.13 × 36,386.58
  4. Step 4: Simplify right side
    119,494.74x = 6,522,954,153.70
  5. Step 5: Solve for x
    x = 6,522,954,153.70/119,494.74
  6. Step 6: Final answer
    x = 54,587.79

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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.