Home / 103,010.13-154,503.05-27,116.37

Finding the Fourth Proportional to 103,010.13, 154,503.05 and 27,116.37

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Solution

The fourth proportional to 103,010.13, 154,503.05 and 27,116.37 is: 40,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,010.13 : 154,503.05 = 27,116.37 : x
  2. Step 2: Convert to fraction form
    103,010.13/154,503.05 = 27,116.37/x
  3. Step 3: Cross multiply
    103,010.13x = 154,503.05 × 27,116.37
  4. Step 4: Simplify right side
    103,010.13x = 4,189,561,734.35
  5. Step 5: Solve for x
    x = 4,189,561,734.35/103,010.13
  6. Step 6: Final answer
    x = 40,671.36

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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.