Home / 141,336.09-195,043.95-77,672.52

Finding the Fourth Proportional to 141,336.09, 195,043.95 and 77,672.52

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Solution

The fourth proportional to 141,336.09, 195,043.95 and 77,672.52 is: 107,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,336.09 : 195,043.95 = 77,672.52 : x
  2. Step 2: Convert to fraction form
    141,336.09/195,043.95 = 77,672.52/x
  3. Step 3: Cross multiply
    141,336.09x = 195,043.95 × 77,672.52
  4. Step 4: Simplify right side
    141,336.09x = 15,149,555,107.25
  5. Step 5: Solve for x
    x = 15,149,555,107.25/141,336.09
  6. Step 6: Final answer
    x = 107,188.16

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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.