Home / 144,348.16-199,199.88-80,685.92

Finding the Fourth Proportional to 144,348.16, 199,199.88 and 80,685.92

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Solution

The fourth proportional to 144,348.16, 199,199.88 and 80,685.92 is: 111,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,348.16 : 199,199.88 = 80,685.92 : x
  2. Step 2: Convert to fraction form
    144,348.16/199,199.88 = 80,685.92/x
  3. Step 3: Cross multiply
    144,348.16x = 199,199.88 × 80,685.92
  4. Step 4: Simplify right side
    144,348.16x = 16,072,625,581.69
  5. Step 5: Solve for x
    x = 16,072,625,581.69/144,348.16
  6. Step 6: Final answer
    x = 111,346.24

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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.