Home / 253,705.12-350,124.62-140,527.88

Finding the Fourth Proportional to 253,705.12, 350,124.62 and 140,527.88

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Solution

The fourth proportional to 253,705.12, 350,124.62 and 140,527.88 is: 193,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,705.12 : 350,124.62 = 140,527.88 : x
  2. Step 2: Convert to fraction form
    253,705.12/350,124.62 = 140,527.88/x
  3. Step 3: Cross multiply
    253,705.12x = 350,124.62 × 140,527.88
  4. Step 4: Simplify right side
    253,705.12x = 49,202,270,584.41
  5. Step 5: Solve for x
    x = 49,202,270,584.41/253,705.12
  6. Step 6: Final answer
    x = 193,934.87

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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.