Home / 187,408.11-258,629.29-102,525.18

Finding the Fourth Proportional to 187,408.11, 258,629.29 and 102,525.18

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Solution

The fourth proportional to 187,408.11, 258,629.29 and 102,525.18 is: 141,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,408.11 : 258,629.29 = 102,525.18 : x
  2. Step 2: Convert to fraction form
    187,408.11/258,629.29 = 102,525.18/x
  3. Step 3: Cross multiply
    187,408.11x = 258,629.29 × 102,525.18
  4. Step 4: Simplify right side
    187,408.11x = 26,516,013,284.35
  5. Step 5: Solve for x
    x = 26,516,013,284.35/187,408.11
  6. Step 6: Final answer
    x = 141,488.08

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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.