Home / 129,103.12-193,664.34-35,608

Finding the Fourth Proportional to 129,103.12, 193,664.34 and 35,608

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Solution

The fourth proportional to 129,103.12, 193,664.34 and 35,608 is: 53,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,103.12 : 193,664.34 = 35,608 : x
  2. Step 2: Convert to fraction form
    129,103.12/193,664.34 = 35,608/x
  3. Step 3: Cross multiply
    129,103.12x = 193,664.34 × 35,608
  4. Step 4: Simplify right side
    129,103.12x = 6,895,999,818.72
  5. Step 5: Solve for x
    x = 6,895,999,818.72/129,103.12
  6. Step 6: Final answer
    x = 53,414.66

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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.