Home / 73,754.18-110,631.88-21,165.34

Finding the Fourth Proportional to 73,754.18, 110,631.88 and 21,165.34

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Solution

The fourth proportional to 73,754.18, 110,631.88 and 21,165.34 is: 31,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,754.18 : 110,631.88 = 21,165.34 : x
  2. Step 2: Convert to fraction form
    73,754.18/110,631.88 = 21,165.34/x
  3. Step 3: Cross multiply
    73,754.18x = 110,631.88 × 21,165.34
  4. Step 4: Simplify right side
    73,754.18x = 2,341,561,355.04
  5. Step 5: Solve for x
    x = 2,341,561,355.04/73,754.18
  6. Step 6: Final answer
    x = 31,748.19

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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.