Home / 129,199.80-193,810.92-35,705.64

Finding the Fourth Proportional to 129,199.80, 193,810.92 and 35,705.64

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Solution

The fourth proportional to 129,199.80, 193,810.92 and 35,705.64 is: 53,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,199.80 : 193,810.92 = 35,705.64 : x
  2. Step 2: Convert to fraction form
    129,199.80/193,810.92 = 35,705.64/x
  3. Step 3: Cross multiply
    129,199.80x = 193,810.92 × 35,705.64
  4. Step 4: Simplify right side
    129,199.80x = 6,920,142,937.59
  5. Step 5: Solve for x
    x = 6,920,142,937.59/129,199.80
  6. Step 6: Final answer
    x = 53,561.56

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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.