Home / 193,391.72-266,876.34-107,345.64

Finding the Fourth Proportional to 193,391.72, 266,876.34 and 107,345.64

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Solution

The fourth proportional to 193,391.72, 266,876.34 and 107,345.64 is: 148,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,391.72 : 266,876.34 = 107,345.64 : x
  2. Step 2: Convert to fraction form
    193,391.72/266,876.34 = 107,345.64/x
  3. Step 3: Cross multiply
    193,391.72x = 266,876.34 × 107,345.64
  4. Step 4: Simplify right side
    193,391.72x = 28,648,011,518.16
  5. Step 5: Solve for x
    x = 28,648,011,518.16/193,391.72
  6. Step 6: Final answer
    x = 148,134.64

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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.