Home / 187,444.32-258,676.88-102,563.20

Finding the Fourth Proportional to 187,444.32, 258,676.88 and 102,563.20

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Solution

The fourth proportional to 187,444.32, 258,676.88 and 102,563.20 is: 141,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,444.32 : 258,676.88 = 102,563.20 : x
  2. Step 2: Convert to fraction form
    187,444.32/258,676.88 = 102,563.20/x
  3. Step 3: Cross multiply
    187,444.32x = 258,676.88 × 102,563.20
  4. Step 4: Simplify right side
    187,444.32x = 26,530,728,578.82
  5. Step 5: Solve for x
    x = 26,530,728,578.82/187,444.32
  6. Step 6: Final answer
    x = 141,539.25

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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.