Home / 187,963.04-259,387.80-107,415.20

Finding the Fourth Proportional to 187,963.04, 259,387.80 and 107,415.20

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Solution

The fourth proportional to 187,963.04, 259,387.80 and 107,415.20 is: 148,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,963.04 : 259,387.80 = 107,415.20 : x
  2. Step 2: Convert to fraction form
    187,963.04/259,387.80 = 107,415.20/x
  3. Step 3: Cross multiply
    187,963.04x = 259,387.80 × 107,415.20
  4. Step 4: Simplify right side
    187,963.04x = 27,862,192,414.56
  5. Step 5: Solve for x
    x = 27,862,192,414.56/187,963.04
  6. Step 6: Final answer
    x = 148,232.29

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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.