Home / 180,249.42-270,389.56-47,129.46

Finding the Fourth Proportional to 180,249.42, 270,389.56 and 47,129.46

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Solution

The fourth proportional to 180,249.42, 270,389.56 and 47,129.46 is: 70,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,249.42 : 270,389.56 = 47,129.46 : x
  2. Step 2: Convert to fraction form
    180,249.42/270,389.56 = 47,129.46/x
  3. Step 3: Cross multiply
    180,249.42x = 270,389.56 × 47,129.46
  4. Step 4: Simplify right side
    180,249.42x = 12,743,313,834.61
  5. Step 5: Solve for x
    x = 12,743,313,834.61/180,249.42
  6. Step 6: Final answer
    x = 70,698.22

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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.