Home / 240,974.89-332,581.22-138,981.31

Finding the Fourth Proportional to 240,974.89, 332,581.22 and 138,981.31

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Solution

The fourth proportional to 240,974.89, 332,581.22 and 138,981.31 is: 191,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,974.89 : 332,581.22 = 138,981.31 : x
  2. Step 2: Convert to fraction form
    240,974.89/332,581.22 = 138,981.31/x
  3. Step 3: Cross multiply
    240,974.89x = 332,581.22 × 138,981.31
  4. Step 4: Simplify right side
    240,974.89x = 46,222,573,637.00
  5. Step 5: Solve for x
    x = 46,222,573,637.00/240,974.89
  6. Step 6: Final answer
    x = 191,814.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.