Home / 253,731.12-350,170.29-140,564.40

Finding the Fourth Proportional to 253,731.12, 350,170.29 and 140,564.40

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Solution

The fourth proportional to 253,731.12, 350,170.29 and 140,564.40 is: 193,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,731.12 : 350,170.29 = 140,564.40 : x
  2. Step 2: Convert to fraction form
    253,731.12/350,170.29 = 140,564.40/x
  3. Step 3: Cross multiply
    253,731.12x = 350,170.29 × 140,564.40
  4. Step 4: Simplify right side
    253,731.12x = 49,221,476,711.68
  5. Step 5: Solve for x
    x = 49,221,476,711.68/253,731.12
  6. Step 6: Final answer
    x = 193,990.70

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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.