Home / 101,486.97-152,245.05-31,371.75

Finding the Fourth Proportional to 101,486.97, 152,245.05 and 31,371.75

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Solution

The fourth proportional to 101,486.97, 152,245.05 and 31,371.75 is: 47,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,486.97 : 152,245.05 = 31,371.75 : x
  2. Step 2: Convert to fraction form
    101,486.97/152,245.05 = 31,371.75/x
  3. Step 3: Cross multiply
    101,486.97x = 152,245.05 × 31,371.75
  4. Step 4: Simplify right side
    101,486.97x = 4,776,193,647.34
  5. Step 5: Solve for x
    x = 4,776,193,647.34/101,486.97
  6. Step 6: Final answer
    x = 47,062.14

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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.