Home / 226,107.42-312,012.63-125,497.50

Finding the Fourth Proportional to 226,107.42, 312,012.63 and 125,497.50

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Solution

The fourth proportional to 226,107.42, 312,012.63 and 125,497.50 is: 173,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,107.42 : 312,012.63 = 125,497.50 : x
  2. Step 2: Convert to fraction form
    226,107.42/312,012.63 = 125,497.50/x
  3. Step 3: Cross multiply
    226,107.42x = 312,012.63 × 125,497.50
  4. Step 4: Simplify right side
    226,107.42x = 39,156,805,033.43
  5. Step 5: Solve for x
    x = 39,156,805,033.43/226,107.42
  6. Step 6: Final answer
    x = 173,177.89

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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.