Home / 91,556.37-137,592.54-54,133.97

Finding the Fourth Proportional to 91,556.37, 137,592.54 and 54,133.97

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Solution

The fourth proportional to 91,556.37, 137,592.54 and 54,133.97 is: 81,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,556.37 : 137,592.54 = 54,133.97 : x
  2. Step 2: Convert to fraction form
    91,556.37/137,592.54 = 54,133.97/x
  3. Step 3: Cross multiply
    91,556.37x = 137,592.54 × 54,133.97
  4. Step 4: Simplify right side
    91,556.37x = 7,448,429,744.62
  5. Step 5: Solve for x
    x = 7,448,429,744.62/91,556.37
  6. Step 6: Final answer
    x = 81,353.48

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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.