Home / 187,972.02-259,377.41-107,404.77

Finding the Fourth Proportional to 187,972.02, 259,377.41 and 107,404.77

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Solution

The fourth proportional to 187,972.02, 259,377.41 and 107,404.77 is: 148,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,972.02 : 259,377.41 = 107,404.77 : x
  2. Step 2: Convert to fraction form
    187,972.02/259,377.41 = 107,404.77/x
  3. Step 3: Cross multiply
    187,972.02x = 259,377.41 × 107,404.77
  4. Step 4: Simplify right side
    187,972.02x = 27,858,370,527.22
  5. Step 5: Solve for x
    x = 27,858,370,527.22/187,972.02
  6. Step 6: Final answer
    x = 148,204.88

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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.