Home / 144,443.55-199,333.47-80,781.48

Finding the Fourth Proportional to 144,443.55, 199,333.47 and 80,781.48

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Solution

The fourth proportional to 144,443.55, 199,333.47 and 80,781.48 is: 111,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,443.55 : 199,333.47 = 80,781.48 : x
  2. Step 2: Convert to fraction form
    144,443.55/199,333.47 = 80,781.48/x
  3. Step 3: Cross multiply
    144,443.55x = 199,333.47 × 80,781.48
  4. Step 4: Simplify right side
    144,443.55x = 16,102,452,720.14
  5. Step 5: Solve for x
    x = 16,102,452,720.14/144,443.55
  6. Step 6: Final answer
    x = 111,479.21

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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.