Home / 86,828.78-130,239.22-36,206.92

Finding the Fourth Proportional to 86,828.78, 130,239.22 and 36,206.92

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Solution

The fourth proportional to 86,828.78, 130,239.22 and 36,206.92 is: 54,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,828.78 : 130,239.22 = 36,206.92 : x
  2. Step 2: Convert to fraction form
    86,828.78/130,239.22 = 36,206.92/x
  3. Step 3: Cross multiply
    86,828.78x = 130,239.22 × 36,206.92
  4. Step 4: Simplify right side
    86,828.78x = 4,715,561,227.46
  5. Step 5: Solve for x
    x = 4,715,561,227.46/86,828.78
  6. Step 6: Final answer
    x = 54,308.73

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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.