Home / 152,031.65-227,736.10-85,331.73

Finding the Fourth Proportional to 152,031.65, 227,736.10 and 85,331.73

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Solution

The fourth proportional to 152,031.65, 227,736.10 and 85,331.73 is: 127,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,031.65 : 227,736.10 = 85,331.73 : x
  2. Step 2: Convert to fraction form
    152,031.65/227,736.10 = 85,331.73/x
  3. Step 3: Cross multiply
    152,031.65x = 227,736.10 × 85,331.73
  4. Step 4: Simplify right side
    152,031.65x = 19,433,115,396.45
  5. Step 5: Solve for x
    x = 19,433,115,396.45/152,031.65
  6. Step 6: Final answer
    x = 127,822.83

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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.