Home / 187,780.07-281,716.28-54,661.48

Finding the Fourth Proportional to 187,780.07, 281,716.28 and 54,661.48

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Solution

The fourth proportional to 187,780.07, 281,716.28 and 54,661.48 is: 82,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,780.07 : 281,716.28 = 54,661.48 : x
  2. Step 2: Convert to fraction form
    187,780.07/281,716.28 = 54,661.48/x
  3. Step 3: Cross multiply
    187,780.07x = 281,716.28 × 54,661.48
  4. Step 4: Simplify right side
    187,780.07x = 15,399,029,616.93
  5. Step 5: Solve for x
    x = 15,399,029,616.93/187,780.07
  6. Step 6: Final answer
    x = 82,005.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.