Home / 209,029.75-313,542.89-124,228.31

Finding the Fourth Proportional to 209,029.75, 313,542.89 and 124,228.31

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Solution

The fourth proportional to 209,029.75, 313,542.89 and 124,228.31 is: 186,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,029.75 : 313,542.89 = 124,228.31 : x
  2. Step 2: Convert to fraction form
    209,029.75/313,542.89 = 124,228.31/x
  3. Step 3: Cross multiply
    209,029.75x = 313,542.89 × 124,228.31
  4. Step 4: Simplify right side
    209,029.75x = 38,950,901,148.36
  5. Step 5: Solve for x
    x = 38,950,901,148.36/209,029.75
  6. Step 6: Final answer
    x = 186,341.43

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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.