Home / 151,031.50-226,405.68-51,121.78

Finding the Fourth Proportional to 151,031.50, 226,405.68 and 51,121.78

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Solution

The fourth proportional to 151,031.50, 226,405.68 and 51,121.78 is: 76,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.50 : 226,405.68 = 51,121.78 : x
  2. Step 2: Convert to fraction form
    151,031.50/226,405.68 = 51,121.78/x
  3. Step 3: Cross multiply
    151,031.50x = 226,405.68 × 51,121.78
  4. Step 4: Simplify right side
    151,031.50x = 11,574,261,363.71
  5. Step 5: Solve for x
    x = 11,574,261,363.71/151,031.50
  6. Step 6: Final answer
    x = 76,634.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.