Home / 281,557.01-422,247.29-91,974.20

Finding the Fourth Proportional to 281,557.01, 422,247.29 and 91,974.20

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Solution

The fourth proportional to 281,557.01, 422,247.29 and 91,974.20 is: 137,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,557.01 : 422,247.29 = 91,974.20 : x
  2. Step 2: Convert to fraction form
    281,557.01/422,247.29 = 91,974.20/x
  3. Step 3: Cross multiply
    281,557.01x = 422,247.29 × 91,974.20
  4. Step 4: Simplify right side
    281,557.01x = 38,835,854,128.81
  5. Step 5: Solve for x
    x = 38,835,854,128.81/281,557.01
  6. Step 6: Final answer
    x = 137,932.47

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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.