Home / 187,687.13-259,008.30-102,807.23

Finding the Fourth Proportional to 187,687.13, 259,008.30 and 102,807.23

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Solution

The fourth proportional to 187,687.13, 259,008.30 and 102,807.23 is: 141,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,687.13 : 259,008.30 = 102,807.23 : x
  2. Step 2: Convert to fraction form
    187,687.13/259,008.30 = 102,807.23/x
  3. Step 3: Cross multiply
    187,687.13x = 259,008.30 × 102,807.23
  4. Step 4: Simplify right side
    187,687.13x = 26,627,924,574.97
  5. Step 5: Solve for x
    x = 26,627,924,574.97/187,687.13
  6. Step 6: Final answer
    x = 141,874.01

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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.