Home / 187,149.34-258,272.46-102,271.87

Finding the Fourth Proportional to 187,149.34, 258,272.46 and 102,271.87

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Solution

The fourth proportional to 187,149.34, 258,272.46 and 102,271.87 is: 141,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,149.34 : 258,272.46 = 102,271.87 : x
  2. Step 2: Convert to fraction form
    187,149.34/258,272.46 = 102,271.87/x
  3. Step 3: Cross multiply
    187,149.34x = 258,272.46 × 102,271.87
  4. Step 4: Simplify right side
    187,149.34x = 26,414,005,650.98
  5. Step 5: Solve for x
    x = 26,414,005,650.98/187,149.34
  6. Step 6: Final answer
    x = 141,138.66

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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.