Home / 234,349.85-323,403.05-126,920.00

Finding the Fourth Proportional to 234,349.85, 323,403.05 and 126,920.00

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Solution

The fourth proportional to 234,349.85, 323,403.05 and 126,920.00 is: 175,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,349.85 : 323,403.05 = 126,920.00 : x
  2. Step 2: Convert to fraction form
    234,349.85/323,403.05 = 126,920.00/x
  3. Step 3: Cross multiply
    234,349.85x = 323,403.05 × 126,920.00
  4. Step 4: Simplify right side
    234,349.85x = 41,046,316,231.81
  5. Step 5: Solve for x
    x = 41,046,316,231.81/234,349.85
  6. Step 6: Final answer
    x = 175,149.74

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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.