Home / 102,872.93-154,293.80-27,998.91

Finding the Fourth Proportional to 102,872.93, 154,293.80 and 27,998.91

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Solution

The fourth proportional to 102,872.93, 154,293.80 and 27,998.91 is: 41,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,872.93 : 154,293.80 = 27,998.91 : x
  2. Step 2: Convert to fraction form
    102,872.93/154,293.80 = 27,998.91/x
  3. Step 3: Cross multiply
    102,872.93x = 154,293.80 × 27,998.91
  4. Step 4: Simplify right side
    102,872.93x = 4,320,058,079.76
  5. Step 5: Solve for x
    x = 4,320,058,079.76/102,872.93
  6. Step 6: Final answer
    x = 41,994.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.