Home / 253,802.45-350,247.39-140,625.20

Finding the Fourth Proportional to 253,802.45, 350,247.39 and 140,625.20

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Solution

The fourth proportional to 253,802.45, 350,247.39 and 140,625.20 is: 194,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,802.45 : 350,247.39 = 140,625.20 : x
  2. Step 2: Convert to fraction form
    253,802.45/350,247.39 = 140,625.20/x
  3. Step 3: Cross multiply
    253,802.45x = 350,247.39 × 140,625.20
  4. Step 4: Simplify right side
    253,802.45x = 49,253,609,616.50
  5. Step 5: Solve for x
    x = 49,253,609,616.50/253,802.45
  6. Step 6: Final answer
    x = 194,062.78

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1.5x scale

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.