Home / 223,442.32-335,058.12-81,187.29

Finding the Fourth Proportional to 223,442.32, 335,058.12 and 81,187.29

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Solution

The fourth proportional to 223,442.32, 335,058.12 and 81,187.29 is: 121,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,442.32 : 335,058.12 = 81,187.29 : x
  2. Step 2: Convert to fraction form
    223,442.32/335,058.12 = 81,187.29/x
  3. Step 3: Cross multiply
    223,442.32x = 335,058.12 × 81,187.29
  4. Step 4: Simplify right side
    223,442.32x = 27,202,460,755.29
  5. Step 5: Solve for x
    x = 27,202,460,755.29/223,442.32
  6. Step 6: Final answer
    x = 121,742.65

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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.