Home / 144,299.88-199,127.16-80,637.12

Finding the Fourth Proportional to 144,299.88, 199,127.16 and 80,637.12

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Solution

The fourth proportional to 144,299.88, 199,127.16 and 80,637.12 is: 111,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,299.88 : 199,127.16 = 80,637.12 : x
  2. Step 2: Convert to fraction form
    144,299.88/199,127.16 = 80,637.12/x
  3. Step 3: Cross multiply
    144,299.88x = 199,127.16 × 80,637.12
  4. Step 4: Simplify right side
    144,299.88x = 16,057,040,696.18
  5. Step 5: Solve for x
    x = 16,057,040,696.18/144,299.88
  6. Step 6: Final answer
    x = 111,275.50

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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.