Home / 106,071.26-159,001.78-49,810.65

Finding the Fourth Proportional to 106,071.26, 159,001.78 and 49,810.65

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Solution

The fourth proportional to 106,071.26, 159,001.78 and 49,810.65 is: 74,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,071.26 : 159,001.78 = 49,810.65 : x
  2. Step 2: Convert to fraction form
    106,071.26/159,001.78 = 49,810.65/x
  3. Step 3: Cross multiply
    106,071.26x = 159,001.78 × 49,810.65
  4. Step 4: Simplify right side
    106,071.26x = 7,919,981,763.90
  5. Step 5: Solve for x
    x = 7,919,981,763.90/106,071.26
  6. Step 6: Final answer
    x = 74,666.62

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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.