Home / 147,249.36-220,909.32-47,418.94

Finding the Fourth Proportional to 147,249.36, 220,909.32 and 47,418.94

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Solution

The fourth proportional to 147,249.36, 220,909.32 and 47,418.94 is: 71,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,249.36 : 220,909.32 = 47,418.94 : x
  2. Step 2: Convert to fraction form
    147,249.36/220,909.32 = 47,418.94/x
  3. Step 3: Cross multiply
    147,249.36x = 220,909.32 × 47,418.94
  4. Step 4: Simplify right side
    147,249.36x = 10,475,285,790.52
  5. Step 5: Solve for x
    x = 10,475,285,790.52/147,249.36
  6. Step 6: Final answer
    x = 71,139.77

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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.