Home / 188,621.92-282,928.77-88,726.74

Finding the Fourth Proportional to 188,621.92, 282,928.77 and 88,726.74

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Solution

The fourth proportional to 188,621.92, 282,928.77 and 88,726.74 is: 133,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,621.92 : 282,928.77 = 88,726.74 : x
  2. Step 2: Convert to fraction form
    188,621.92/282,928.77 = 88,726.74/x
  3. Step 3: Cross multiply
    188,621.92x = 282,928.77 × 88,726.74
  4. Step 4: Simplify right side
    188,621.92x = 25,103,347,414.31
  5. Step 5: Solve for x
    x = 25,103,347,414.31/188,621.92
  6. Step 6: Final answer
    x = 133,088.18

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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.