Home / 187,607.23-258,895.40-102,724.29

Finding the Fourth Proportional to 187,607.23, 258,895.40 and 102,724.29

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Solution

The fourth proportional to 187,607.23, 258,895.40 and 102,724.29 is: 141,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,607.23 : 258,895.40 = 102,724.29 : x
  2. Step 2: Convert to fraction form
    187,607.23/258,895.40 = 102,724.29/x
  3. Step 3: Cross multiply
    187,607.23x = 258,895.40 × 102,724.29
  4. Step 4: Simplify right side
    187,607.23x = 26,594,846,149.27
  5. Step 5: Solve for x
    x = 26,594,846,149.27/187,607.23
  6. Step 6: Final answer
    x = 141,758.11

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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.