Home / 207,893.28-286,937.24-131,363.79

Finding the Fourth Proportional to 207,893.28, 286,937.24 and 131,363.79

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Solution

The fourth proportional to 207,893.28, 286,937.24 and 131,363.79 is: 181,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,893.28 : 286,937.24 = 131,363.79 : x
  2. Step 2: Convert to fraction form
    207,893.28/286,937.24 = 131,363.79/x
  3. Step 3: Cross multiply
    207,893.28x = 286,937.24 × 131,363.79
  4. Step 4: Simplify right side
    207,893.28x = 37,693,162,681.72
  5. Step 5: Solve for x
    x = 37,693,162,681.72/207,893.28
  6. Step 6: Final answer
    x = 181,310.15

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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.