Home / 229,743.46-317,060.49-129,147.94

Finding the Fourth Proportional to 229,743.46, 317,060.49 and 129,147.94

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Solution

The fourth proportional to 229,743.46, 317,060.49 and 129,147.94 is: 178,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,743.46 : 317,060.49 = 129,147.94 : x
  2. Step 2: Convert to fraction form
    229,743.46/317,060.49 = 129,147.94/x
  3. Step 3: Cross multiply
    229,743.46x = 317,060.49 × 129,147.94
  4. Step 4: Simplify right side
    229,743.46x = 40,947,709,138.89
  5. Step 5: Solve for x
    x = 40,947,709,138.89/229,743.46
  6. Step 6: Final answer
    x = 178,232.32

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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.