Home / 187,064.69-258,139.62-102,165.35

Finding the Fourth Proportional to 187,064.69, 258,139.62 and 102,165.35

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Solution

The fourth proportional to 187,064.69, 258,139.62 and 102,165.35 is: 140,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,064.69 : 258,139.62 = 102,165.35 : x
  2. Step 2: Convert to fraction form
    187,064.69/258,139.62 = 102,165.35/x
  3. Step 3: Cross multiply
    187,064.69x = 258,139.62 × 102,165.35
  4. Step 4: Simplify right side
    187,064.69x = 26,372,923,335.47
  5. Step 5: Solve for x
    x = 26,372,923,335.47/187,064.69
  6. Step 6: Final answer
    x = 140,982.91

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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.