Home / 133,556.76-200,409-54,726.36

Finding the Fourth Proportional to 133,556.76, 200,409 and 54,726.36

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Solution

The fourth proportional to 133,556.76, 200,409 and 54,726.36 is: 82,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,556.76 : 200,409 = 54,726.36 : x
  2. Step 2: Convert to fraction form
    133,556.76/200,409 = 54,726.36/x
  3. Step 3: Cross multiply
    133,556.76x = 200,409 × 54,726.36
  4. Step 4: Simplify right side
    133,556.76x = 10,967,655,081.24
  5. Step 5: Solve for x
    x = 10,967,655,081.24/133,556.76
  6. Step 6: Final answer
    x = 82,119.80

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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.