Home / 144,857.61-199,903.94-80,331.39

Finding the Fourth Proportional to 144,857.61, 199,903.94 and 80,331.39

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Solution

The fourth proportional to 144,857.61, 199,903.94 and 80,331.39 is: 110,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,857.61 : 199,903.94 = 80,331.39 : x
  2. Step 2: Convert to fraction form
    144,857.61/199,903.94 = 80,331.39/x
  3. Step 3: Cross multiply
    144,857.61x = 199,903.94 × 80,331.39
  4. Step 4: Simplify right side
    144,857.61x = 16,058,561,366.68
  5. Step 5: Solve for x
    x = 16,058,561,366.68/144,857.61
  6. Step 6: Final answer
    x = 110,857.56

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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.