Home / 140,727.36-211,039.92-40,860.48

Finding the Fourth Proportional to 140,727.36, 211,039.92 and 40,860.48

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Solution

The fourth proportional to 140,727.36, 211,039.92 and 40,860.48 is: 61,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,727.36 : 211,039.92 = 40,860.48 : x
  2. Step 2: Convert to fraction form
    140,727.36/211,039.92 = 40,860.48/x
  3. Step 3: Cross multiply
    140,727.36x = 211,039.92 × 40,860.48
  4. Step 4: Simplify right side
    140,727.36x = 8,623,192,430.36
  5. Step 5: Solve for x
    x = 8,623,192,430.36/140,727.36
  6. Step 6: Final answer
    x = 61,275.88

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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.