Home / 141,925.76-195,858.88-78,265.84

Finding the Fourth Proportional to 141,925.76, 195,858.88 and 78,265.84

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Solution

The fourth proportional to 141,925.76, 195,858.88 and 78,265.84 is: 108,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,925.76 : 195,858.88 = 78,265.84 : x
  2. Step 2: Convert to fraction form
    141,925.76/195,858.88 = 78,265.84/x
  3. Step 3: Cross multiply
    141,925.76x = 195,858.88 × 78,265.84
  4. Step 4: Simplify right side
    141,925.76x = 15,329,059,764.66
  5. Step 5: Solve for x
    x = 15,329,059,764.66/141,925.76
  6. Step 6: Final answer
    x = 108,007.59

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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.