Home / 234,089.21-323,040.81-126,656.89

Finding the Fourth Proportional to 234,089.21, 323,040.81 and 126,656.89

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Solution

The fourth proportional to 234,089.21, 323,040.81 and 126,656.89 is: 174,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,089.21 : 323,040.81 = 126,656.89 : x
  2. Step 2: Convert to fraction form
    234,089.21/323,040.81 = 126,656.89/x
  3. Step 3: Cross multiply
    234,089.21x = 323,040.81 × 126,656.89
  4. Step 4: Simplify right side
    234,089.21x = 40,915,344,337.68
  5. Step 5: Solve for x
    x = 40,915,344,337.68/234,089.21
  6. Step 6: Final answer
    x = 174,785.26

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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.