Home / 141,457.20-195,207.04-77,795

Finding the Fourth Proportional to 141,457.20, 195,207.04 and 77,795

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Solution

The fourth proportional to 141,457.20, 195,207.04 and 77,795 is: 107,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,457.20 : 195,207.04 = 77,795 : x
  2. Step 2: Convert to fraction form
    141,457.20/195,207.04 = 77,795/x
  3. Step 3: Cross multiply
    141,457.20x = 195,207.04 × 77,795
  4. Step 4: Simplify right side
    141,457.20x = 15,186,131,676.80
  5. Step 5: Solve for x
    x = 15,186,131,676.80/141,457.20
  6. Step 6: Final answer
    x = 107,354.96

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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.