Home / 136,425.92-204,666.62-57,540.42

Finding the Fourth Proportional to 136,425.92, 204,666.62 and 57,540.42

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Solution

The fourth proportional to 136,425.92, 204,666.62 and 57,540.42 is: 86,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,425.92 : 204,666.62 = 57,540.42 : x
  2. Step 2: Convert to fraction form
    136,425.92/204,666.62 = 57,540.42/x
  3. Step 3: Cross multiply
    136,425.92x = 204,666.62 × 57,540.42
  4. Step 4: Simplify right side
    136,425.92x = 11,776,602,987.08
  5. Step 5: Solve for x
    x = 11,776,602,987.08/136,425.92
  6. Step 6: Final answer
    x = 86,322.33

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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.