Home / 221,050.52-331,339.71-126,076.20

Finding the Fourth Proportional to 221,050.52, 331,339.71 and 126,076.20

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Solution

The fourth proportional to 221,050.52, 331,339.71 and 126,076.20 is: 188,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,050.52 : 331,339.71 = 126,076.20 : x
  2. Step 2: Convert to fraction form
    221,050.52/331,339.71 = 126,076.20/x
  3. Step 3: Cross multiply
    221,050.52x = 331,339.71 × 126,076.20
  4. Step 4: Simplify right side
    221,050.52x = 41,774,050,776.16
  5. Step 5: Solve for x
    x = 41,774,050,776.16/221,050.52
  6. Step 6: Final answer
    x = 188,979.66

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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.