Home / 193,614.40-290,356.10-73,642.87

Finding the Fourth Proportional to 193,614.40, 290,356.10 and 73,642.87

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Solution

The fourth proportional to 193,614.40, 290,356.10 and 73,642.87 is: 110,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,614.40 : 290,356.10 = 73,642.87 : x
  2. Step 2: Convert to fraction form
    193,614.40/290,356.10 = 73,642.87/x
  3. Step 3: Cross multiply
    193,614.40x = 290,356.10 × 73,642.87
  4. Step 4: Simplify right side
    193,614.40x = 21,382,656,526.01
  5. Step 5: Solve for x
    x = 21,382,656,526.01/193,614.40
  6. Step 6: Final answer
    x = 110,439.39

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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.