Home / 136,144.26-187,882.34-75,717.45

Finding the Fourth Proportional to 136,144.26, 187,882.34 and 75,717.45

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Solution

The fourth proportional to 136,144.26, 187,882.34 and 75,717.45 is: 104,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,144.26 : 187,882.34 = 75,717.45 : x
  2. Step 2: Convert to fraction form
    136,144.26/187,882.34 = 75,717.45/x
  3. Step 3: Cross multiply
    136,144.26x = 187,882.34 × 75,717.45
  4. Step 4: Simplify right side
    136,144.26x = 14,225,971,306.25
  5. Step 5: Solve for x
    x = 14,225,971,306.25/136,144.26
  6. Step 6: Final answer
    x = 104,491.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.