Home / 187,563.05-258,837.02-102,680.11

Finding the Fourth Proportional to 187,563.05, 258,837.02 and 102,680.11

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Solution

The fourth proportional to 187,563.05, 258,837.02 and 102,680.11 is: 141,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,563.05 : 258,837.02 = 102,680.11 : x
  2. Step 2: Convert to fraction form
    187,563.05/258,837.02 = 102,680.11/x
  3. Step 3: Cross multiply
    187,563.05x = 258,837.02 × 102,680.11
  4. Step 4: Simplify right side
    187,563.05x = 26,577,413,685.67
  5. Step 5: Solve for x
    x = 26,577,413,685.67/187,563.05
  6. Step 6: Final answer
    x = 141,698.56

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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.