Home / 187,270.56-258,435.90-102,387.44

Finding the Fourth Proportional to 187,270.56, 258,435.90 and 102,387.44

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Solution

The fourth proportional to 187,270.56, 258,435.90 and 102,387.44 is: 141,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,270.56 : 258,435.90 = 102,387.44 : x
  2. Step 2: Convert to fraction form
    187,270.56/258,435.90 = 102,387.44/x
  3. Step 3: Cross multiply
    187,270.56x = 258,435.90 × 102,387.44
  4. Step 4: Simplify right side
    187,270.56x = 26,460,590,205.10
  5. Step 5: Solve for x
    x = 26,460,590,205.10/187,270.56
  6. Step 6: Final answer
    x = 141,296.05

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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.