Home / 141,522.96-195,301.38-77,860.59

Finding the Fourth Proportional to 141,522.96, 195,301.38 and 77,860.59

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Solution

The fourth proportional to 141,522.96, 195,301.38 and 77,860.59 is: 107,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,522.96 : 195,301.38 = 77,860.59 : x
  2. Step 2: Convert to fraction form
    141,522.96/195,301.38 = 77,860.59/x
  3. Step 3: Cross multiply
    141,522.96x = 195,301.38 × 77,860.59
  4. Step 4: Simplify right side
    141,522.96x = 15,206,280,674.61
  5. Step 5: Solve for x
    x = 15,206,280,674.61/141,522.96
  6. Step 6: Final answer
    x = 107,447.45

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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.