Home / 222,835.78-307,509.17-126,037.95

Finding the Fourth Proportional to 222,835.78, 307,509.17 and 126,037.95

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Solution

The fourth proportional to 222,835.78, 307,509.17 and 126,037.95 is: 173,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,835.78 : 307,509.17 = 126,037.95 : x
  2. Step 2: Convert to fraction form
    222,835.78/307,509.17 = 126,037.95/x
  3. Step 3: Cross multiply
    222,835.78x = 307,509.17 × 126,037.95
  4. Step 4: Simplify right side
    222,835.78x = 38,757,825,393.00
  5. Step 5: Solve for x
    x = 38,757,825,393.00/222,835.78
  6. Step 6: Final answer
    x = 173,929.99

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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.