Home / 129,299.15-193,886.26-45,057.33

Finding the Fourth Proportional to 129,299.15, 193,886.26 and 45,057.33

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Solution

The fourth proportional to 129,299.15, 193,886.26 and 45,057.33 is: 67,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,299.15 : 193,886.26 = 45,057.33 : x
  2. Step 2: Convert to fraction form
    129,299.15/193,886.26 = 45,057.33/x
  3. Step 3: Cross multiply
    129,299.15x = 193,886.26 × 45,057.33
  4. Step 4: Simplify right side
    129,299.15x = 8,735,997,086.64
  5. Step 5: Solve for x
    x = 8,735,997,086.64/129,299.15
  6. Step 6: Final answer
    x = 67,564.23

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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.