Home / 145,924.72-218,887.68-40,743.38

Finding the Fourth Proportional to 145,924.72, 218,887.68 and 40,743.38

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Solution

The fourth proportional to 145,924.72, 218,887.68 and 40,743.38 is: 61,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,924.72 : 218,887.68 = 40,743.38 : x
  2. Step 2: Convert to fraction form
    145,924.72/218,887.68 = 40,743.38/x
  3. Step 3: Cross multiply
    145,924.72x = 218,887.68 × 40,743.38
  4. Step 4: Simplify right side
    145,924.72x = 8,918,223,923.56
  5. Step 5: Solve for x
    x = 8,918,223,923.56/145,924.72
  6. Step 6: Final answer
    x = 61,115.24

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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.