Home / 136,948.68-205,272.27-89,544.24

Finding the Fourth Proportional to 136,948.68, 205,272.27 and 89,544.24

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Solution

The fourth proportional to 136,948.68, 205,272.27 and 89,544.24 is: 134,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,948.68 : 205,272.27 = 89,544.24 : x
  2. Step 2: Convert to fraction form
    136,948.68/205,272.27 = 89,544.24/x
  3. Step 3: Cross multiply
    136,948.68x = 205,272.27 × 89,544.24
  4. Step 4: Simplify right side
    136,948.68x = 18,380,949,410.22
  5. Step 5: Solve for x
    x = 18,380,949,410.22/136,948.68
  6. Step 6: Final answer
    x = 134,217.79

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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.