Home / 79,350.96-119,027.13-20,186.69

Finding the Fourth Proportional to 79,350.96, 119,027.13 and 20,186.69

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Solution

The fourth proportional to 79,350.96, 119,027.13 and 20,186.69 is: 30,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.96 : 119,027.13 = 20,186.69 : x
  2. Step 2: Convert to fraction form
    79,350.96/119,027.13 = 20,186.69/x
  3. Step 3: Cross multiply
    79,350.96x = 119,027.13 × 20,186.69
  4. Step 4: Simplify right side
    79,350.96x = 2,402,763,477.33
  5. Step 5: Solve for x
    x = 2,402,763,477.33/79,350.96
  6. Step 6: Final answer
    x = 30,280.21

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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.