Home / 145,556.38-218,334.54-40,375.34

Finding the Fourth Proportional to 145,556.38, 218,334.54 and 40,375.34

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Solution

The fourth proportional to 145,556.38, 218,334.54 and 40,375.34 is: 60,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,556.38 : 218,334.54 = 40,375.34 : x
  2. Step 2: Convert to fraction form
    145,556.38/218,334.54 = 40,375.34/x
  3. Step 3: Cross multiply
    145,556.38x = 218,334.54 × 40,375.34
  4. Step 4: Simplify right side
    145,556.38x = 8,815,331,286.24
  5. Step 5: Solve for x
    x = 8,815,331,286.24/145,556.38
  6. Step 6: Final answer
    x = 60,563.00

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1.5x scale

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.