Home / 187,028.39-258,087.26-102,145.46

Finding the Fourth Proportional to 187,028.39, 258,087.26 and 102,145.46

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Solution

The fourth proportional to 187,028.39, 258,087.26 and 102,145.46 is: 140,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028.39 : 258,087.26 = 102,145.46 : x
  2. Step 2: Convert to fraction form
    187,028.39/258,087.26 = 102,145.46/x
  3. Step 3: Cross multiply
    187,028.39x = 258,087.26 × 102,145.46
  4. Step 4: Simplify right side
    187,028.39x = 26,362,440,857.77
  5. Step 5: Solve for x
    x = 26,362,440,857.77/187,028.39
  6. Step 6: Final answer
    x = 140,954.22

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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.