Home / 129,740.74-194,594.40-41,003.21

Finding the Fourth Proportional to 129,740.74, 194,594.40 and 41,003.21

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Solution

The fourth proportional to 129,740.74, 194,594.40 and 41,003.21 is: 61,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,740.74 : 194,594.40 = 41,003.21 : x
  2. Step 2: Convert to fraction form
    129,740.74/194,594.40 = 41,003.21/x
  3. Step 3: Cross multiply
    129,740.74x = 194,594.40 × 41,003.21
  4. Step 4: Simplify right side
    129,740.74x = 7,978,995,534.51
  5. Step 5: Solve for x
    x = 7,978,995,534.51/129,740.74
  6. Step 6: Final answer
    x = 61,499.54

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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.