Home / 187,471.74-258,710.07-102,588.06

Finding the Fourth Proportional to 187,471.74, 258,710.07 and 102,588.06

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Solution

The fourth proportional to 187,471.74, 258,710.07 and 102,588.06 is: 141,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,471.74 : 258,710.07 = 102,588.06 : x
  2. Step 2: Convert to fraction form
    187,471.74/258,710.07 = 102,588.06/x
  3. Step 3: Cross multiply
    187,471.74x = 258,710.07 × 102,588.06
  4. Step 4: Simplify right side
    187,471.74x = 26,540,564,183.76
  5. Step 5: Solve for x
    x = 26,540,564,183.76/187,471.74
  6. Step 6: Final answer
    x = 141,571.01

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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.