Home / 187,419.16-258,745.38-123,941.08

Finding the Fourth Proportional to 187,419.16, 258,745.38 and 123,941.08

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Solution

The fourth proportional to 187,419.16, 258,745.38 and 123,941.08 is: 171,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,419.16 : 258,745.38 = 123,941.08 : x
  2. Step 2: Convert to fraction form
    187,419.16/258,745.38 = 123,941.08/x
  3. Step 3: Cross multiply
    187,419.16x = 258,745.38 × 123,941.08
  4. Step 4: Simplify right side
    187,419.16x = 32,069,181,842.21
  5. Step 5: Solve for x
    x = 32,069,181,842.21/187,419.16
  6. Step 6: Final answer
    x = 171,109.41

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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.