Home / 207,873.05-286,857.82-131,433.29

Finding the Fourth Proportional to 207,873.05, 286,857.82 and 131,433.29

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Solution

The fourth proportional to 207,873.05, 286,857.82 and 131,433.29 is: 181,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,873.05 : 286,857.82 = 131,433.29 : x
  2. Step 2: Convert to fraction form
    207,873.05/286,857.82 = 131,433.29/x
  3. Step 3: Cross multiply
    207,873.05x = 286,857.82 × 131,433.29
  4. Step 4: Simplify right side
    207,873.05x = 37,702,667,044.83
  5. Step 5: Solve for x
    x = 37,702,667,044.83/207,873.05
  6. Step 6: Final answer
    x = 181,373.52

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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.