Home / 240,613.45-332,120.59-138,707.07

Finding the Fourth Proportional to 240,613.45, 332,120.59 and 138,707.07

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Solution

The fourth proportional to 240,613.45, 332,120.59 and 138,707.07 is: 191,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,613.45 : 332,120.59 = 138,707.07 : x
  2. Step 2: Convert to fraction form
    240,613.45/332,120.59 = 138,707.07/x
  3. Step 3: Cross multiply
    240,613.45x = 332,120.59 × 138,707.07
  4. Step 4: Simplify right side
    240,613.45x = 46,067,472,333.35
  5. Step 5: Solve for x
    x = 46,067,472,333.35/240,613.45
  6. Step 6: Final answer
    x = 191,458.43

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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.