Home / 240,860.08-332,380.20-138,883.60

Finding the Fourth Proportional to 240,860.08, 332,380.20 and 138,883.60

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Solution

The fourth proportional to 240,860.08, 332,380.20 and 138,883.60 is: 191,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,860.08 : 332,380.20 = 138,883.60 : x
  2. Step 2: Convert to fraction form
    240,860.08/332,380.20 = 138,883.60/x
  3. Step 3: Cross multiply
    240,860.08x = 332,380.20 × 138,883.60
  4. Step 4: Simplify right side
    240,860.08x = 46,162,158,744.72
  5. Step 5: Solve for x
    x = 46,162,158,744.72/240,860.08
  6. Step 6: Final answer
    x = 191,655.50

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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.