Home / 190,556.24-285,837.60-72,283.28

Finding the Fourth Proportional to 190,556.24, 285,837.60 and 72,283.28

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Solution

The fourth proportional to 190,556.24, 285,837.60 and 72,283.28 is: 108,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,556.24 : 285,837.60 = 72,283.28 : x
  2. Step 2: Convert to fraction form
    190,556.24/285,837.60 = 72,283.28/x
  3. Step 3: Cross multiply
    190,556.24x = 285,837.60 × 72,283.28
  4. Step 4: Simplify right side
    190,556.24x = 20,661,279,275.33
  5. Step 5: Solve for x
    x = 20,661,279,275.33/190,556.24
  6. Step 6: Final answer
    x = 108,426.15

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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.