Home / 214,913.16-322,285.50-126,189

Finding the Fourth Proportional to 214,913.16, 322,285.50 and 126,189

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Solution

The fourth proportional to 214,913.16, 322,285.50 and 126,189 is: 189,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,913.16 : 322,285.50 = 126,189 : x
  2. Step 2: Convert to fraction form
    214,913.16/322,285.50 = 126,189/x
  3. Step 3: Cross multiply
    214,913.16x = 322,285.50 × 126,189
  4. Step 4: Simplify right side
    214,913.16x = 40,668,884,959.50
  5. Step 5: Solve for x
    x = 40,668,884,959.50/214,913.16
  6. Step 6: Final answer
    x = 189,234.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.