Home / 239,074.53-329,925.30-131,654.55

Finding the Fourth Proportional to 239,074.53, 329,925.30 and 131,654.55

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Solution

The fourth proportional to 239,074.53, 329,925.30 and 131,654.55 is: 181,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,074.53 : 329,925.30 = 131,654.55 : x
  2. Step 2: Convert to fraction form
    239,074.53/329,925.30 = 131,654.55/x
  3. Step 3: Cross multiply
    239,074.53x = 329,925.30 × 131,654.55
  4. Step 4: Simplify right side
    239,074.53x = 43,436,166,905.12
  5. Step 5: Solve for x
    x = 43,436,166,905.12/239,074.53
  6. Step 6: Final answer
    x = 181,684.63

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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.