Home / 165,343.95-248,010.39-71,849.70

Finding the Fourth Proportional to 165,343.95, 248,010.39 and 71,849.70

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Solution

The fourth proportional to 165,343.95, 248,010.39 and 71,849.70 is: 107,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,343.95 : 248,010.39 = 71,849.70 : x
  2. Step 2: Convert to fraction form
    165,343.95/248,010.39 = 71,849.70/x
  3. Step 3: Cross multiply
    165,343.95x = 248,010.39 × 71,849.70
  4. Step 4: Simplify right side
    165,343.95x = 17,819,472,118.38
  5. Step 5: Solve for x
    x = 17,819,472,118.38/165,343.95
  6. Step 6: Final answer
    x = 107,772.14

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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.