Home / 129,261.34-193,787.43-58,131.89

Finding the Fourth Proportional to 129,261.34, 193,787.43 and 58,131.89

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Solution

The fourth proportional to 129,261.34, 193,787.43 and 58,131.89 is: 87,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,261.34 : 193,787.43 = 58,131.89 : x
  2. Step 2: Convert to fraction form
    129,261.34/193,787.43 = 58,131.89/x
  3. Step 3: Cross multiply
    129,261.34x = 193,787.43 × 58,131.89
  4. Step 4: Simplify right side
    129,261.34x = 11,265,229,564.14
  5. Step 5: Solve for x
    x = 11,265,229,564.14/129,261.34
  6. Step 6: Final answer
    x = 87,150.80

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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.