Home / 188,563.32-282,740.22-87,250.68

Finding the Fourth Proportional to 188,563.32, 282,740.22 and 87,250.68

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Solution

The fourth proportional to 188,563.32, 282,740.22 and 87,250.68 is: 130,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,563.32 : 282,740.22 = 87,250.68 : x
  2. Step 2: Convert to fraction form
    188,563.32/282,740.22 = 87,250.68/x
  3. Step 3: Cross multiply
    188,563.32x = 282,740.22 × 87,250.68
  4. Step 4: Simplify right side
    188,563.32x = 24,669,276,458.35
  5. Step 5: Solve for x
    x = 24,669,276,458.35/188,563.32
  6. Step 6: Final answer
    x = 130,827.55

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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.