Home / 124,288.60-186,301.62-89,209.24

Finding the Fourth Proportional to 124,288.60, 186,301.62 and 89,209.24

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Solution

The fourth proportional to 124,288.60, 186,301.62 and 89,209.24 is: 133,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,288.60 : 186,301.62 = 89,209.24 : x
  2. Step 2: Convert to fraction form
    124,288.60/186,301.62 = 89,209.24/x
  3. Step 3: Cross multiply
    124,288.60x = 186,301.62 × 89,209.24
  4. Step 4: Simplify right side
    124,288.60x = 16,619,825,930.97
  5. Step 5: Solve for x
    x = 16,619,825,930.97/124,288.60
  6. Step 6: Final answer
    x = 133,719.63

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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.