Home / 141,841.36-195,741.98-78,179.16

Finding the Fourth Proportional to 141,841.36, 195,741.98 and 78,179.16

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Solution

The fourth proportional to 141,841.36, 195,741.98 and 78,179.16 is: 107,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,841.36 : 195,741.98 = 78,179.16 : x
  2. Step 2: Convert to fraction form
    141,841.36/195,741.98 = 78,179.16/x
  3. Step 3: Cross multiply
    141,841.36x = 195,741.98 × 78,179.16
  4. Step 4: Simplify right side
    141,841.36x = 15,302,943,573.14
  5. Step 5: Solve for x
    x = 15,302,943,573.14/141,841.36
  6. Step 6: Final answer
    x = 107,887.74

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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.