Home / 187,228.70-258,375.61-102,345.77

Finding the Fourth Proportional to 187,228.70, 258,375.61 and 102,345.77

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Solution

The fourth proportional to 187,228.70, 258,375.61 and 102,345.77 is: 141,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,228.70 : 258,375.61 = 102,345.77 : x
  2. Step 2: Convert to fraction form
    187,228.70/258,375.61 = 102,345.77/x
  3. Step 3: Cross multiply
    187,228.70x = 258,375.61 × 102,345.77
  4. Step 4: Simplify right side
    187,228.70x = 26,443,650,754.67
  5. Step 5: Solve for x
    x = 26,443,650,754.67/187,228.70
  6. Step 6: Final answer
    x = 141,237.16

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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.