Home / 240,817.15-332,339.66-138,859.21

Finding the Fourth Proportional to 240,817.15, 332,339.66 and 138,859.21

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Solution

The fourth proportional to 240,817.15, 332,339.66 and 138,859.21 is: 191,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,817.15 : 332,339.66 = 138,859.21 : x
  2. Step 2: Convert to fraction form
    240,817.15/332,339.66 = 138,859.21/x
  3. Step 3: Cross multiply
    240,817.15x = 332,339.66 × 138,859.21
  4. Step 4: Simplify right side
    240,817.15x = 46,148,422,639.27
  5. Step 5: Solve for x
    x = 46,148,422,639.27/240,817.15
  6. Step 6: Final answer
    x = 191,632.63

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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.