Home / 234,162.55-323,143.75-126,732.65

Finding the Fourth Proportional to 234,162.55, 323,143.75 and 126,732.65

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Solution

The fourth proportional to 234,162.55, 323,143.75 and 126,732.65 is: 174,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,162.55 : 323,143.75 = 126,732.65 : x
  2. Step 2: Convert to fraction form
    234,162.55/323,143.75 = 126,732.65/x
  3. Step 3: Cross multiply
    234,162.55x = 323,143.75 × 126,732.65
  4. Step 4: Simplify right side
    234,162.55x = 40,952,864,485.25
  5. Step 5: Solve for x
    x = 40,952,864,485.25/234,162.55
  6. Step 6: Final answer
    x = 174,890.76

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1.5x scale

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.