Home / 150,572.00-225,556.87-90,567.35

Finding the Fourth Proportional to 150,572.00, 225,556.87 and 90,567.35

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Solution

The fourth proportional to 150,572.00, 225,556.87 and 90,567.35 is: 135,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,572.00 : 225,556.87 = 90,567.35 : x
  2. Step 2: Convert to fraction form
    150,572.00/225,556.87 = 90,567.35/x
  3. Step 3: Cross multiply
    150,572.00x = 225,556.87 × 90,567.35
  4. Step 4: Simplify right side
    150,572.00x = 20,428,086,635.99
  5. Step 5: Solve for x
    x = 20,428,086,635.99/150,572.00
  6. Step 6: Final answer
    x = 135,669.89

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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.