Home / 141,966.76-195,913.32-78,304.41

Finding the Fourth Proportional to 141,966.76, 195,913.32 and 78,304.41

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Solution

The fourth proportional to 141,966.76, 195,913.32 and 78,304.41 is: 108,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.76 : 195,913.32 = 78,304.41 : x
  2. Step 2: Convert to fraction form
    141,966.76/195,913.32 = 78,304.41/x
  3. Step 3: Cross multiply
    141,966.76x = 195,913.32 × 78,304.41
  4. Step 4: Simplify right side
    141,966.76x = 15,340,876,933.74
  5. Step 5: Solve for x
    x = 15,340,876,933.74/141,966.76
  6. Step 6: Final answer
    x = 108,059.64

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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.