Home / 84,225.30-126,228.69-34,247.22

Finding the Fourth Proportional to 84,225.30, 126,228.69 and 34,247.22

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Solution

The fourth proportional to 84,225.30, 126,228.69 and 34,247.22 is: 51,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,225.30 : 126,228.69 = 34,247.22 : x
  2. Step 2: Convert to fraction form
    84,225.30/126,228.69 = 34,247.22/x
  3. Step 3: Cross multiply
    84,225.30x = 126,228.69 × 34,247.22
  4. Step 4: Simplify right side
    84,225.30x = 4,322,981,716.74
  5. Step 5: Solve for x
    x = 4,322,981,716.74/84,225.30
  6. Step 6: Final answer
    x = 51,326.40

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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.