Home / 207,874.05-286,859.20-131,434.29

Finding the Fourth Proportional to 207,874.05, 286,859.20 and 131,434.29

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Solution

The fourth proportional to 207,874.05, 286,859.20 and 131,434.29 is: 181,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,874.05 : 286,859.20 = 131,434.29 : x
  2. Step 2: Convert to fraction form
    207,874.05/286,859.20 = 131,434.29/x
  3. Step 3: Cross multiply
    207,874.05x = 286,859.20 × 131,434.29
  4. Step 4: Simplify right side
    207,874.05x = 37,703,135,281.97
  5. Step 5: Solve for x
    x = 37,703,135,281.97/207,874.05
  6. Step 6: Final answer
    x = 181,374.90

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1.5x scale

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.