Home / 140,133.26-210,177.27-40,270.65

Finding the Fourth Proportional to 140,133.26, 210,177.27 and 40,270.65

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Solution

The fourth proportional to 140,133.26, 210,177.27 and 40,270.65 is: 60,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,133.26 : 210,177.27 = 40,270.65 : x
  2. Step 2: Convert to fraction form
    140,133.26/210,177.27 = 40,270.65/x
  3. Step 3: Cross multiply
    140,133.26x = 210,177.27 × 40,270.65
  4. Step 4: Simplify right side
    140,133.26x = 8,463,975,278.13
  5. Step 5: Solve for x
    x = 8,463,975,278.13/140,133.26
  6. Step 6: Final answer
    x = 60,399.48

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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.