Home / 141,882.06-195,794.91-78,225.78

Finding the Fourth Proportional to 141,882.06, 195,794.91 and 78,225.78

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Solution

The fourth proportional to 141,882.06, 195,794.91 and 78,225.78 is: 107,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,882.06 : 195,794.91 = 78,225.78 : x
  2. Step 2: Convert to fraction form
    141,882.06/195,794.91 = 78,225.78/x
  3. Step 3: Cross multiply
    141,882.06x = 195,794.91 × 78,225.78
  4. Step 4: Simplify right side
    141,882.06x = 15,316,209,554.78
  5. Step 5: Solve for x
    x = 15,316,209,554.78/141,882.06
  6. Step 6: Final answer
    x = 107,950.29

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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.