Home / 141,402.66-195,136.17-77,744.49

Finding the Fourth Proportional to 141,402.66, 195,136.17 and 77,744.49

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Solution

The fourth proportional to 141,402.66, 195,136.17 and 77,744.49 is: 107,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,402.66 : 195,136.17 = 77,744.49 : x
  2. Step 2: Convert to fraction form
    141,402.66/195,136.17 = 77,744.49/x
  3. Step 3: Cross multiply
    141,402.66x = 195,136.17 × 77,744.49
  4. Step 4: Simplify right side
    141,402.66x = 15,170,762,017.20
  5. Step 5: Solve for x
    x = 15,170,762,017.20/141,402.66
  6. Step 6: Final answer
    x = 107,287.67

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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.