Home / 141,427.50-195,175.43-77,763.93

Finding the Fourth Proportional to 141,427.50, 195,175.43 and 77,763.93

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Solution

The fourth proportional to 141,427.50, 195,175.43 and 77,763.93 is: 107,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,427.50 : 195,175.43 = 77,763.93 : x
  2. Step 2: Convert to fraction form
    141,427.50/195,175.43 = 77,763.93/x
  3. Step 3: Cross multiply
    141,427.50x = 195,175.43 × 77,763.93
  4. Step 4: Simplify right side
    141,427.50x = 15,177,608,087.42
  5. Step 5: Solve for x
    x = 15,177,608,087.42/141,427.50
  6. Step 6: Final answer
    x = 107,317.23

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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.