Home / 187,206.23-280,768.03-54,057.52

Finding the Fourth Proportional to 187,206.23, 280,768.03 and 54,057.52

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Solution

The fourth proportional to 187,206.23, 280,768.03 and 54,057.52 is: 81,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,206.23 : 280,768.03 = 54,057.52 : x
  2. Step 2: Convert to fraction form
    187,206.23/280,768.03 = 54,057.52/x
  3. Step 3: Cross multiply
    187,206.23x = 280,768.03 × 54,057.52
  4. Step 4: Simplify right side
    187,206.23x = 15,177,623,397.09
  5. Step 5: Solve for x
    x = 15,177,623,397.09/187,206.23
  6. Step 6: Final answer
    x = 81,074.35

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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.