Home / 151,721.56-227,412.78-56,860.48

Finding the Fourth Proportional to 151,721.56, 227,412.78 and 56,860.48

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Solution

The fourth proportional to 151,721.56, 227,412.78 and 56,860.48 is: 85,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,721.56 : 227,412.78 = 56,860.48 : x
  2. Step 2: Convert to fraction form
    151,721.56/227,412.78 = 56,860.48/x
  3. Step 3: Cross multiply
    151,721.56x = 227,412.78 × 56,860.48
  4. Step 4: Simplify right side
    151,721.56x = 12,930,799,828.93
  5. Step 5: Solve for x
    x = 12,930,799,828.93/151,721.56
  6. Step 6: Final answer
    x = 85,227.17

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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.