Home / 187,955.28-259,380.90-103,066.74

Finding the Fourth Proportional to 187,955.28, 259,380.90 and 103,066.74

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Solution

The fourth proportional to 187,955.28, 259,380.90 and 103,066.74 is: 142,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.28 : 259,380.90 = 103,066.74 : x
  2. Step 2: Convert to fraction form
    187,955.28/259,380.90 = 103,066.74/x
  3. Step 3: Cross multiply
    187,955.28x = 259,380.90 × 103,066.74
  4. Step 4: Simplify right side
    187,955.28x = 26,733,543,781.27
  5. Step 5: Solve for x
    x = 26,733,543,781.27/187,955.28
  6. Step 6: Final answer
    x = 142,233.53

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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.