Home / 239,042.20-358,589.57-79,059.86

Finding the Fourth Proportional to 239,042.20, 358,589.57 and 79,059.86

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Solution

The fourth proportional to 239,042.20, 358,589.57 and 79,059.86 is: 118,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,042.20 : 358,589.57 = 79,059.86 : x
  2. Step 2: Convert to fraction form
    239,042.20/358,589.57 = 79,059.86/x
  3. Step 3: Cross multiply
    239,042.20x = 358,589.57 × 79,059.86
  4. Step 4: Simplify right side
    239,042.20x = 28,350,039,013.41
  5. Step 5: Solve for x
    x = 28,350,039,013.41/239,042.20
  6. Step 6: Final answer
    x = 118,598.47

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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.