Home / 186,984.77-280,579.21-108,252.77

Finding the Fourth Proportional to 186,984.77, 280,579.21 and 108,252.77

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Solution

The fourth proportional to 186,984.77, 280,579.21 and 108,252.77 is: 162,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,984.77 : 280,579.21 = 108,252.77 : x
  2. Step 2: Convert to fraction form
    186,984.77/280,579.21 = 108,252.77/x
  3. Step 3: Cross multiply
    186,984.77x = 280,579.21 × 108,252.77
  4. Step 4: Simplify right side
    186,984.77x = 30,373,475,013.38
  5. Step 5: Solve for x
    x = 30,373,475,013.38/186,984.77
  6. Step 6: Final answer
    x = 162,438.23

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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.