Home / 141,570.39-195,367.17-77,908.19

Finding the Fourth Proportional to 141,570.39, 195,367.17 and 77,908.19

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Solution

The fourth proportional to 141,570.39, 195,367.17 and 77,908.19 is: 107,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,570.39 : 195,367.17 = 77,908.19 : x
  2. Step 2: Convert to fraction form
    141,570.39/195,367.17 = 77,908.19/x
  3. Step 3: Cross multiply
    141,570.39x = 195,367.17 × 77,908.19
  4. Step 4: Simplify right side
    141,570.39x = 15,220,701,722.16
  5. Step 5: Solve for x
    x = 15,220,701,722.16/141,570.39
  6. Step 6: Final answer
    x = 107,513.31

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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.