Home / 204,568.32-282,337.92-128,116.38

Finding the Fourth Proportional to 204,568.32, 282,337.92 and 128,116.38

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Solution

The fourth proportional to 204,568.32, 282,337.92 and 128,116.38 is: 176,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,568.32 : 282,337.92 = 128,116.38 : x
  2. Step 2: Convert to fraction form
    204,568.32/282,337.92 = 128,116.38/x
  3. Step 3: Cross multiply
    204,568.32x = 282,337.92 × 128,116.38
  4. Step 4: Simplify right side
    204,568.32x = 36,172,112,247.13
  5. Step 5: Solve for x
    x = 36,172,112,247.13/204,568.32
  6. Step 6: Final answer
    x = 176,821.67

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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.