Home / 221,348.23-305,429.74-125,844.37

Finding the Fourth Proportional to 221,348.23, 305,429.74 and 125,844.37

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Solution

The fourth proportional to 221,348.23, 305,429.74 and 125,844.37 is: 173,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,348.23 : 305,429.74 = 125,844.37 : x
  2. Step 2: Convert to fraction form
    221,348.23/305,429.74 = 125,844.37/x
  3. Step 3: Cross multiply
    221,348.23x = 305,429.74 × 125,844.37
  4. Step 4: Simplify right side
    221,348.23x = 38,436,613,209.56
  5. Step 5: Solve for x
    x = 38,436,613,209.56/221,348.23
  6. Step 6: Final answer
    x = 173,647.71

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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.