Home / 144,294.09-199,126.50-78,884.26

Finding the Fourth Proportional to 144,294.09, 199,126.50 and 78,884.26

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Solution

The fourth proportional to 144,294.09, 199,126.50 and 78,884.26 is: 108,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,294.09 : 199,126.50 = 78,884.26 : x
  2. Step 2: Convert to fraction form
    144,294.09/199,126.50 = 78,884.26/x
  3. Step 3: Cross multiply
    144,294.09x = 199,126.50 × 78,884.26
  4. Step 4: Simplify right side
    144,294.09x = 15,707,945,805.26
  5. Step 5: Solve for x
    x = 15,707,945,805.26/144,294.09
  6. Step 6: Final answer
    x = 108,860.63

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1.5x scale

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.