Home / 239,096.21-329,955.12-131,669.55

Finding the Fourth Proportional to 239,096.21, 329,955.12 and 131,669.55

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Solution

The fourth proportional to 239,096.21, 329,955.12 and 131,669.55 is: 181,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,096.21 : 329,955.12 = 131,669.55 : x
  2. Step 2: Convert to fraction form
    239,096.21/329,955.12 = 131,669.55/x
  3. Step 3: Cross multiply
    239,096.21x = 329,955.12 × 131,669.55
  4. Step 4: Simplify right side
    239,096.21x = 43,445,042,170.60
  5. Step 5: Solve for x
    x = 43,445,042,170.60/239,096.21
  6. Step 6: Final answer
    x = 181,705.28

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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.