Home / 239,955.20-359,932.80-73,721.60

Finding the Fourth Proportional to 239,955.20, 359,932.80 and 73,721.60

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Solution

The fourth proportional to 239,955.20, 359,932.80 and 73,721.60 is: 110,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,955.20 : 359,932.80 = 73,721.60 : x
  2. Step 2: Convert to fraction form
    239,955.20/359,932.80 = 73,721.60/x
  3. Step 3: Cross multiply
    239,955.20x = 359,932.80 × 73,721.60
  4. Step 4: Simplify right side
    239,955.20x = 26,534,821,908.48
  5. Step 5: Solve for x
    x = 26,534,821,908.48/239,955.20
  6. Step 6: Final answer
    x = 110,582.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.