Home / 82,146.51-123,145.92-29,519.19

Finding the Fourth Proportional to 82,146.51, 123,145.92 and 29,519.19

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Solution

The fourth proportional to 82,146.51, 123,145.92 and 29,519.19 is: 44,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,146.51 : 123,145.92 = 29,519.19 : x
  2. Step 2: Convert to fraction form
    82,146.51/123,145.92 = 29,519.19/x
  3. Step 3: Cross multiply
    82,146.51x = 123,145.92 × 29,519.19
  4. Step 4: Simplify right side
    82,146.51x = 3,635,167,810.20
  5. Step 5: Solve for x
    x = 3,635,167,810.20/82,146.51
  6. Step 6: Final answer
    x = 44,252.25

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1.5x scale

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.