Home / 187,566.21-281,393.19-54,449.01

Finding the Fourth Proportional to 187,566.21, 281,393.19 and 54,449.01

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Solution

The fourth proportional to 187,566.21, 281,393.19 and 54,449.01 is: 81,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,566.21 : 281,393.19 = 54,449.01 : x
  2. Step 2: Convert to fraction form
    187,566.21/281,393.19 = 54,449.01/x
  3. Step 3: Cross multiply
    187,566.21x = 281,393.19 × 54,449.01
  4. Step 4: Simplify right side
    187,566.21x = 15,321,580,616.24
  5. Step 5: Solve for x
    x = 15,321,580,616.24/187,566.21
  6. Step 6: Final answer
    x = 81,686.25

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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.