Home / 234,260.74-323,280-126,830.86

Finding the Fourth Proportional to 234,260.74, 323,280 and 126,830.86

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Solution

The fourth proportional to 234,260.74, 323,280 and 126,830.86 is: 175,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,260.74 : 323,280 = 126,830.86 : x
  2. Step 2: Convert to fraction form
    234,260.74/323,280 = 126,830.86/x
  3. Step 3: Cross multiply
    234,260.74x = 323,280 × 126,830.86
  4. Step 4: Simplify right side
    234,260.74x = 41,001,880,420.80
  5. Step 5: Solve for x
    x = 41,001,880,420.80/234,260.74
  6. Step 6: Final answer
    x = 175,026.68

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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.