Home / 144,339.28-199,180.16-79,804.78

Finding the Fourth Proportional to 144,339.28, 199,180.16 and 79,804.78

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Solution

The fourth proportional to 144,339.28, 199,180.16 and 79,804.78 is: 110,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,339.28 : 199,180.16 = 79,804.78 : x
  2. Step 2: Convert to fraction form
    144,339.28/199,180.16 = 79,804.78/x
  3. Step 3: Cross multiply
    144,339.28x = 199,180.16 × 79,804.78
  4. Step 4: Simplify right side
    144,339.28x = 15,895,528,849.16
  5. Step 5: Solve for x
    x = 15,895,528,849.16/144,339.28
  6. Step 6: Final answer
    x = 110,126.15

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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.