Home / 193,467.59-266,972.25-107,422.15

Finding the Fourth Proportional to 193,467.59, 266,972.25 and 107,422.15

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Solution

The fourth proportional to 193,467.59, 266,972.25 and 107,422.15 is: 148,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,467.59 : 266,972.25 = 107,422.15 : x
  2. Step 2: Convert to fraction form
    193,467.59/266,972.25 = 107,422.15/x
  3. Step 3: Cross multiply
    193,467.59x = 266,972.25 × 107,422.15
  4. Step 4: Simplify right side
    193,467.59x = 28,678,733,085.34
  5. Step 5: Solve for x
    x = 28,678,733,085.34/193,467.59
  6. Step 6: Final answer
    x = 148,235.34

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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.