Home / 180,249.15-270,350.23-47,139.68

Finding the Fourth Proportional to 180,249.15, 270,350.23 and 47,139.68

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Solution

The fourth proportional to 180,249.15, 270,350.23 and 47,139.68 is: 70,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,249.15 : 270,350.23 = 47,139.68 : x
  2. Step 2: Convert to fraction form
    180,249.15/270,350.23 = 47,139.68/x
  3. Step 3: Cross multiply
    180,249.15x = 270,350.23 × 47,139.68
  4. Step 4: Simplify right side
    180,249.15x = 12,744,221,860.53
  5. Step 5: Solve for x
    x = 12,744,221,860.53/180,249.15
  6. Step 6: Final answer
    x = 70,703.37

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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.