Home / 239,833.04-330,967.80-132,403.20

Finding the Fourth Proportional to 239,833.04, 330,967.80 and 132,403.20

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Solution

The fourth proportional to 239,833.04, 330,967.80 and 132,403.20 is: 182,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,833.04 : 330,967.80 = 132,403.20 : x
  2. Step 2: Convert to fraction form
    239,833.04/330,967.80 = 132,403.20/x
  3. Step 3: Cross multiply
    239,833.04x = 330,967.80 × 132,403.20
  4. Step 4: Simplify right side
    239,833.04x = 43,821,195,816.96
  5. Step 5: Solve for x
    x = 43,821,195,816.96/239,833.04
  6. Step 6: Final answer
    x = 182,715.42

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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.