Home / 144,750.11-199,755.01-81,088.36

Finding the Fourth Proportional to 144,750.11, 199,755.01 and 81,088.36

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Solution

The fourth proportional to 144,750.11, 199,755.01 and 81,088.36 is: 111,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,750.11 : 199,755.01 = 81,088.36 : x
  2. Step 2: Convert to fraction form
    144,750.11/199,755.01 = 81,088.36/x
  3. Step 3: Cross multiply
    144,750.11x = 199,755.01 × 81,088.36
  4. Step 4: Simplify right side
    144,750.11x = 16,197,805,764.66
  5. Step 5: Solve for x
    x = 16,197,805,764.66/144,750.11
  6. Step 6: Final answer
    x = 111,901.86

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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.