Home / 207,871.05-286,855.06-131,431.29

Finding the Fourth Proportional to 207,871.05, 286,855.06 and 131,431.29

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Solution

The fourth proportional to 207,871.05, 286,855.06 and 131,431.29 is: 181,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,871.05 : 286,855.06 = 131,431.29 : x
  2. Step 2: Convert to fraction form
    207,871.05/286,855.06 = 131,431.29/x
  3. Step 3: Cross multiply
    207,871.05x = 286,855.06 × 131,431.29
  4. Step 4: Simplify right side
    207,871.05x = 37,701,730,578.83
  5. Step 5: Solve for x
    x = 37,701,730,578.83/207,871.05
  6. Step 6: Final answer
    x = 181,370.76

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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.