Home / 187,242.18-258,442.27-115,581.03

Finding the Fourth Proportional to 187,242.18, 258,442.27 and 115,581.03

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Solution

The fourth proportional to 187,242.18, 258,442.27 and 115,581.03 is: 159,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,242.18 : 258,442.27 = 115,581.03 : x
  2. Step 2: Convert to fraction form
    187,242.18/258,442.27 = 115,581.03/x
  3. Step 3: Cross multiply
    187,242.18x = 258,442.27 × 115,581.03
  4. Step 4: Simplify right side
    187,242.18x = 29,871,022,829.10
  5. Step 5: Solve for x
    x = 29,871,022,829.10/187,242.18
  6. Step 6: Final answer
    x = 159,531.48

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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.