Home / 231,039.24-318,855.60-140,374.32

Finding the Fourth Proportional to 231,039.24, 318,855.60 and 140,374.32

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Solution

The fourth proportional to 231,039.24, 318,855.60 and 140,374.32 is: 193,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,039.24 : 318,855.60 = 140,374.32 : x
  2. Step 2: Convert to fraction form
    231,039.24/318,855.60 = 140,374.32/x
  3. Step 3: Cross multiply
    231,039.24x = 318,855.60 × 140,374.32
  4. Step 4: Simplify right side
    231,039.24x = 44,759,138,028.19
  5. Step 5: Solve for x
    x = 44,759,138,028.19/231,039.24
  6. Step 6: Final answer
    x = 193,729.59

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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.