Home / 187,249.74-280,719.09-130,928.82

Finding the Fourth Proportional to 187,249.74, 280,719.09 and 130,928.82

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Solution

The fourth proportional to 187,249.74, 280,719.09 and 130,928.82 is: 196,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,249.74 : 280,719.09 = 130,928.82 : x
  2. Step 2: Convert to fraction form
    187,249.74/280,719.09 = 130,928.82/x
  3. Step 3: Cross multiply
    187,249.74x = 280,719.09 × 130,928.82
  4. Step 4: Simplify right side
    187,249.74x = 36,754,219,205.17
  5. Step 5: Solve for x
    x = 36,754,219,205.17/187,249.74
  6. Step 6: Final answer
    x = 196,284.49

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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.