Home / 190,127.36-284,989.08-71,748.56

Finding the Fourth Proportional to 190,127.36, 284,989.08 and 71,748.56

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Solution

The fourth proportional to 190,127.36, 284,989.08 and 71,748.56 is: 107,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,127.36 : 284,989.08 = 71,748.56 : x
  2. Step 2: Convert to fraction form
    190,127.36/284,989.08 = 71,748.56/x
  3. Step 3: Cross multiply
    190,127.36x = 284,989.08 × 71,748.56
  4. Step 4: Simplify right side
    190,127.36x = 20,447,556,105.72
  5. Step 5: Solve for x
    x = 20,447,556,105.72/190,127.36
  6. Step 6: Final answer
    x = 107,546.63

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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.