Home / 141,973.56-195,924.06-78,310.44

Finding the Fourth Proportional to 141,973.56, 195,924.06 and 78,310.44

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Solution

The fourth proportional to 141,973.56, 195,924.06 and 78,310.44 is: 108,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,973.56 : 195,924.06 = 78,310.44 : x
  2. Step 2: Convert to fraction form
    141,973.56/195,924.06 = 78,310.44/x
  3. Step 3: Cross multiply
    141,973.56x = 195,924.06 × 78,310.44
  4. Step 4: Simplify right side
    141,973.56x = 15,342,899,345.19
  5. Step 5: Solve for x
    x = 15,342,899,345.19/141,973.56
  6. Step 6: Final answer
    x = 108,068.71

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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.