Home / 223,546.68-335,341.89-81,430.56

Finding the Fourth Proportional to 223,546.68, 335,341.89 and 81,430.56

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Solution

The fourth proportional to 223,546.68, 335,341.89 and 81,430.56 is: 122,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,546.68 : 335,341.89 = 81,430.56 : x
  2. Step 2: Convert to fraction form
    223,546.68/335,341.89 = 81,430.56/x
  3. Step 3: Cross multiply
    223,546.68x = 335,341.89 × 81,430.56
  4. Step 4: Simplify right side
    223,546.68x = 27,307,077,894.16
  5. Step 5: Solve for x
    x = 27,307,077,894.16/223,546.68
  6. Step 6: Final answer
    x = 122,153.81

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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.