Home / 187,079.31-258,159.83-102,179.97

Finding the Fourth Proportional to 187,079.31, 258,159.83 and 102,179.97

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Solution

The fourth proportional to 187,079.31, 258,159.83 and 102,179.97 is: 141,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,079.31 : 258,159.83 = 102,179.97 : x
  2. Step 2: Convert to fraction form
    187,079.31/258,159.83 = 102,179.97/x
  3. Step 3: Cross multiply
    187,079.31x = 258,159.83 × 102,179.97
  4. Step 4: Simplify right side
    187,079.31x = 26,378,763,173.71
  5. Step 5: Solve for x
    x = 26,378,763,173.71/187,079.31
  6. Step 6: Final answer
    x = 141,003.10

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1.5x scale

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.