Home / 188,560.32-282,785.10-55,408.92

Finding the Fourth Proportional to 188,560.32, 282,785.10 and 55,408.92

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Solution

The fourth proportional to 188,560.32, 282,785.10 and 55,408.92 is: 83,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,560.32 : 282,785.10 = 55,408.92 : x
  2. Step 2: Convert to fraction form
    188,560.32/282,785.10 = 55,408.92/x
  3. Step 3: Cross multiply
    188,560.32x = 282,785.10 × 55,408.92
  4. Step 4: Simplify right side
    188,560.32x = 15,668,816,983.09
  5. Step 5: Solve for x
    x = 15,668,816,983.09/188,560.32
  6. Step 6: Final answer
    x = 83,097.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.