Home / 229,861.71-317,102.72-134,372.43

Finding the Fourth Proportional to 229,861.71, 317,102.72 and 134,372.43

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Solution

The fourth proportional to 229,861.71, 317,102.72 and 134,372.43 is: 185,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,861.71 : 317,102.72 = 134,372.43 : x
  2. Step 2: Convert to fraction form
    229,861.71/317,102.72 = 134,372.43/x
  3. Step 3: Cross multiply
    229,861.71x = 317,102.72 × 134,372.43
  4. Step 4: Simplify right side
    229,861.71x = 42,609,862,374.15
  5. Step 5: Solve for x
    x = 42,609,862,374.15/229,861.71
  6. Step 6: Final answer
    x = 185,371.73

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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.