Home / 234,139.11-323,111.92-126,709.14

Finding the Fourth Proportional to 234,139.11, 323,111.92 and 126,709.14

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Solution

The fourth proportional to 234,139.11, 323,111.92 and 126,709.14 is: 174,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,139.11 : 323,111.92 = 126,709.14 : x
  2. Step 2: Convert to fraction form
    234,139.11/323,111.92 = 126,709.14/x
  3. Step 3: Cross multiply
    234,139.11x = 323,111.92 × 126,709.14
  4. Step 4: Simplify right side
    234,139.11x = 40,941,233,506.95
  5. Step 5: Solve for x
    x = 40,941,233,506.95/234,139.11
  6. Step 6: Final answer
    x = 174,858.59

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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.