Home / 187,422.66-258,750.21-123,944.58

Finding the Fourth Proportional to 187,422.66, 258,750.21 and 123,944.58

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Solution

The fourth proportional to 187,422.66, 258,750.21 and 123,944.58 is: 171,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,422.66 : 258,750.21 = 123,944.58 : x
  2. Step 2: Convert to fraction form
    187,422.66/258,750.21 = 123,944.58/x
  3. Step 3: Cross multiply
    187,422.66x = 258,750.21 × 123,944.58
  4. Step 4: Simplify right side
    187,422.66x = 32,070,686,103.36
  5. Step 5: Solve for x
    x = 32,070,686,103.36/187,422.66
  6. Step 6: Final answer
    x = 171,114.24

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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.