Home / 253,711.13-350,132.90-140,533.88

Finding the Fourth Proportional to 253,711.13, 350,132.90 and 140,533.88

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Solution

The fourth proportional to 253,711.13, 350,132.90 and 140,533.88 is: 193,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,711.13 : 350,132.90 = 140,533.88 : x
  2. Step 2: Convert to fraction form
    253,711.13/350,132.90 = 140,533.88/x
  3. Step 3: Cross multiply
    253,711.13x = 350,132.90 × 140,533.88
  4. Step 4: Simplify right side
    253,711.13x = 49,205,532,499.32
  5. Step 5: Solve for x
    x = 49,205,532,499.32/253,711.13
  6. Step 6: Final answer
    x = 193,943.14

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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.