Home / 187,787.53-259,146.91-102,904.59

Finding the Fourth Proportional to 187,787.53, 259,146.91 and 102,904.59

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Solution

The fourth proportional to 187,787.53, 259,146.91 and 102,904.59 is: 142,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,787.53 : 259,146.91 = 102,904.59 : x
  2. Step 2: Convert to fraction form
    187,787.53/259,146.91 = 102,904.59/x
  3. Step 3: Cross multiply
    187,787.53x = 259,146.91 × 102,904.59
  4. Step 4: Simplify right side
    187,787.53x = 26,667,407,623.75
  5. Step 5: Solve for x
    x = 26,667,407,623.75/187,787.53
  6. Step 6: Final answer
    x = 142,008.40

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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.