Home / 131,919.40-197,739.66-43,149.16

Finding the Fourth Proportional to 131,919.40, 197,739.66 and 43,149.16

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Solution

The fourth proportional to 131,919.40, 197,739.66 and 43,149.16 is: 64,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,919.40 : 197,739.66 = 43,149.16 : x
  2. Step 2: Convert to fraction form
    131,919.40/197,739.66 = 43,149.16/x
  3. Step 3: Cross multiply
    131,919.40x = 197,739.66 × 43,149.16
  4. Step 4: Simplify right side
    131,919.40x = 8,532,300,227.69
  5. Step 5: Solve for x
    x = 8,532,300,227.69/131,919.40
  6. Step 6: Final answer
    x = 64,678.13

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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.