Home / 239,393.28-330,365-131,967.24

Finding the Fourth Proportional to 239,393.28, 330,365 and 131,967.24

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Solution

The fourth proportional to 239,393.28, 330,365 and 131,967.24 is: 182,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,393.28 : 330,365 = 131,967.24 : x
  2. Step 2: Convert to fraction form
    239,393.28/330,365 = 131,967.24/x
  3. Step 3: Cross multiply
    239,393.28x = 330,365 × 131,967.24
  4. Step 4: Simplify right side
    239,393.28x = 43,597,357,242.60
  5. Step 5: Solve for x
    x = 43,597,357,242.60/239,393.28
  6. Step 6: Final answer
    x = 182,116.04

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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.