Home / 234,139.40-323,113.38-126,709.43

Finding the Fourth Proportional to 234,139.40, 323,113.38 and 126,709.43

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Solution

The fourth proportional to 234,139.40, 323,113.38 and 126,709.43 is: 174,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,139.40 : 323,113.38 = 126,709.43 : x
  2. Step 2: Convert to fraction form
    234,139.40/323,113.38 = 126,709.43/x
  3. Step 3: Cross multiply
    234,139.40x = 323,113.38 × 126,709.43
  4. Step 4: Simplify right side
    234,139.40x = 40,941,513,012.96
  5. Step 5: Solve for x
    x = 40,941,513,012.96/234,139.40
  6. Step 6: Final answer
    x = 174,859.57

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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.