Home / 144,748.92-199,753.37-81,087.17

Finding the Fourth Proportional to 144,748.92, 199,753.37 and 81,087.17

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Solution

The fourth proportional to 144,748.92, 199,753.37 and 81,087.17 is: 111,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,748.92 : 199,753.37 = 81,087.17 : x
  2. Step 2: Convert to fraction form
    144,748.92/199,753.37 = 81,087.17/x
  3. Step 3: Cross multiply
    144,748.92x = 199,753.37 × 81,087.17
  4. Step 4: Simplify right side
    144,748.92x = 16,197,435,471.26
  5. Step 5: Solve for x
    x = 16,197,435,471.26/144,748.92
  6. Step 6: Final answer
    x = 111,900.22

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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.