Home / 229,785.75-317,104.34-134,372.61

Finding the Fourth Proportional to 229,785.75, 317,104.34 and 134,372.61

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Solution

The fourth proportional to 229,785.75, 317,104.34 and 134,372.61 is: 185,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,785.75 : 317,104.34 = 134,372.61 : x
  2. Step 2: Convert to fraction form
    229,785.75/317,104.34 = 134,372.61/x
  3. Step 3: Cross multiply
    229,785.75x = 317,104.34 × 134,372.61
  4. Step 4: Simplify right side
    229,785.75x = 42,610,137,136.26
  5. Step 5: Solve for x
    x = 42,610,137,136.26/229,785.75
  6. Step 6: Final answer
    x = 185,434.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.