Home / 102,269.88-141,175.98-68,755.32

Finding the Fourth Proportional to 102,269.88, 141,175.98 and 68,755.32

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Solution

The fourth proportional to 102,269.88, 141,175.98 and 68,755.32 is: 94,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,269.88 : 141,175.98 = 68,755.32 : x
  2. Step 2: Convert to fraction form
    102,269.88/141,175.98 = 68,755.32/x
  3. Step 3: Cross multiply
    102,269.88x = 141,175.98 × 68,755.32
  4. Step 4: Simplify right side
    102,269.88x = 9,706,599,681.21
  5. Step 5: Solve for x
    x = 9,706,599,681.21/102,269.88
  6. Step 6: Final answer
    x = 94,911.62

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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.