Home / 234,331.67-323,376-126,899.21

Finding the Fourth Proportional to 234,331.67, 323,376 and 126,899.21

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Solution

The fourth proportional to 234,331.67, 323,376 and 126,899.21 is: 175,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,331.67 : 323,376 = 126,899.21 : x
  2. Step 2: Convert to fraction form
    234,331.67/323,376 = 126,899.21/x
  3. Step 3: Cross multiply
    234,331.67x = 323,376 × 126,899.21
  4. Step 4: Simplify right side
    234,331.67x = 41,036,157,316.08
  5. Step 5: Solve for x
    x = 41,036,157,316.08/234,331.67
  6. Step 6: Final answer
    x = 175,119.98

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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.