Home / 229,743.96-317,061.18-129,148.44

Finding the Fourth Proportional to 229,743.96, 317,061.18 and 129,148.44

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Solution

The fourth proportional to 229,743.96, 317,061.18 and 129,148.44 is: 178,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,743.96 : 317,061.18 = 129,148.44 : x
  2. Step 2: Convert to fraction form
    229,743.96/317,061.18 = 129,148.44/x
  3. Step 3: Cross multiply
    229,743.96x = 317,061.18 × 129,148.44
  4. Step 4: Simplify right side
    229,743.96x = 40,947,956,781.56
  5. Step 5: Solve for x
    x = 40,947,956,781.56/229,743.96
  6. Step 6: Final answer
    x = 178,233.01

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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.