Home / 270,048.12-372,661.20-149,190.72

Finding the Fourth Proportional to 270,048.12, 372,661.20 and 149,190.72

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Solution

The fourth proportional to 270,048.12, 372,661.20 and 149,190.72 is: 205,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,048.12 : 372,661.20 = 149,190.72 : x
  2. Step 2: Convert to fraction form
    270,048.12/372,661.20 = 149,190.72/x
  3. Step 3: Cross multiply
    270,048.12x = 372,661.20 × 149,190.72
  4. Step 4: Simplify right side
    270,048.12x = 55,597,592,744.06
  5. Step 5: Solve for x
    x = 55,597,592,744.06/270,048.12
  6. Step 6: Final answer
    x = 205,880.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.