Home / 187,026.80-280,232.40-108,003.20

Finding the Fourth Proportional to 187,026.80, 280,232.40 and 108,003.20

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Solution

The fourth proportional to 187,026.80, 280,232.40 and 108,003.20 is: 161,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,026.80 : 280,232.40 = 108,003.20 : x
  2. Step 2: Convert to fraction form
    187,026.80/280,232.40 = 108,003.20/x
  3. Step 3: Cross multiply
    187,026.80x = 280,232.40 × 108,003.20
  4. Step 4: Simplify right side
    187,026.80x = 30,265,995,943.68
  5. Step 5: Solve for x
    x = 30,265,995,943.68/187,026.80
  6. Step 6: Final answer
    x = 161,827.05

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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.