Home / 187,921.62-259,339.32-103,041.72

Finding the Fourth Proportional to 187,921.62, 259,339.32 and 103,041.72

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Solution

The fourth proportional to 187,921.62, 259,339.32 and 103,041.72 is: 142,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,921.62 : 259,339.32 = 103,041.72 : x
  2. Step 2: Convert to fraction form
    187,921.62/259,339.32 = 103,041.72/x
  3. Step 3: Cross multiply
    187,921.62x = 259,339.32 × 103,041.72
  4. Step 4: Simplify right side
    187,921.62x = 26,722,769,596.43
  5. Step 5: Solve for x
    x = 26,722,769,596.43/187,921.62
  6. Step 6: Final answer
    x = 142,201.68

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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.