Home / 234,749.80-323,943.78-144,087.40

Finding the Fourth Proportional to 234,749.80, 323,943.78 and 144,087.40

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Solution

The fourth proportional to 234,749.80, 323,943.78 and 144,087.40 is: 198,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,749.80 : 323,943.78 = 144,087.40 : x
  2. Step 2: Convert to fraction form
    234,749.80/323,943.78 = 144,087.40/x
  3. Step 3: Cross multiply
    234,749.80x = 323,943.78 × 144,087.40
  4. Step 4: Simplify right side
    234,749.80x = 46,676,217,006.37
  5. Step 5: Solve for x
    x = 46,676,217,006.37/234,749.80
  6. Step 6: Final answer
    x = 198,833.89

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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.