Home / 187,347.56-258,524.03-105,671.31

Finding the Fourth Proportional to 187,347.56, 258,524.03 and 105,671.31

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Solution

The fourth proportional to 187,347.56, 258,524.03 and 105,671.31 is: 145,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,347.56 : 258,524.03 = 105,671.31 : x
  2. Step 2: Convert to fraction form
    187,347.56/258,524.03 = 105,671.31/x
  3. Step 3: Cross multiply
    187,347.56x = 258,524.03 × 105,671.31
  4. Step 4: Simplify right side
    187,347.56x = 27,318,572,641.19
  5. Step 5: Solve for x
    x = 27,318,572,641.19/187,347.56
  6. Step 6: Final answer
    x = 145,817.61

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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.