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Finding the Fourth Proportional to 129,242.58, 193,894.92 and 44,990.34

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Solution

The fourth proportional to 129,242.58, 193,894.92 and 44,990.34 is: 67,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,242.58 : 193,894.92 = 44,990.34 : x
  2. Step 2: Convert to fraction form
    129,242.58/193,894.92 = 44,990.34/x
  3. Step 3: Cross multiply
    129,242.58x = 193,894.92 × 44,990.34
  4. Step 4: Simplify right side
    129,242.58x = 8,723,398,375.07
  5. Step 5: Solve for x
    x = 8,723,398,375.07/129,242.58
  6. Step 6: Final answer
    x = 67,496.32

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1.5x scale

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.