Home / 187,471.18-258,710.25-102,588.25

Finding the Fourth Proportional to 187,471.18, 258,710.25 and 102,588.25

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Solution

The fourth proportional to 187,471.18, 258,710.25 and 102,588.25 is: 141,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,471.18 : 258,710.25 = 102,588.25 : x
  2. Step 2: Convert to fraction form
    187,471.18/258,710.25 = 102,588.25/x
  3. Step 3: Cross multiply
    187,471.18x = 258,710.25 × 102,588.25
  4. Step 4: Simplify right side
    187,471.18x = 26,540,631,804.56
  5. Step 5: Solve for x
    x = 26,540,631,804.56/187,471.18
  6. Step 6: Final answer
    x = 141,571.80

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1.5x scale

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.