Home / 223,444.18-335,060.78-81,189.08

Finding the Fourth Proportional to 223,444.18, 335,060.78 and 81,189.08

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Solution

The fourth proportional to 223,444.18, 335,060.78 and 81,189.08 is: 121,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,444.18 : 335,060.78 = 81,189.08 : x
  2. Step 2: Convert to fraction form
    223,444.18/335,060.78 = 81,189.08/x
  3. Step 3: Cross multiply
    223,444.18x = 335,060.78 × 81,189.08
  4. Step 4: Simplify right side
    223,444.18x = 27,203,276,472.28
  5. Step 5: Solve for x
    x = 27,203,276,472.28/223,444.18
  6. Step 6: Final answer
    x = 121,745.29

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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.