Home / 187,408.80-258,626.52-102,527.28

Finding the Fourth Proportional to 187,408.80, 258,626.52 and 102,527.28

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Solution

The fourth proportional to 187,408.80, 258,626.52 and 102,527.28 is: 141,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,408.80 : 258,626.52 = 102,527.28 : x
  2. Step 2: Convert to fraction form
    187,408.80/258,626.52 = 102,527.28/x
  3. Step 3: Cross multiply
    187,408.80x = 258,626.52 × 102,527.28
  4. Step 4: Simplify right side
    187,408.80x = 26,516,273,631.47
  5. Step 5: Solve for x
    x = 26,516,273,631.47/187,408.80
  6. Step 6: Final answer
    x = 141,488.95

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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.