Home / 91,755.10-137,284.89-54,335.26

Finding the Fourth Proportional to 91,755.10, 137,284.89 and 54,335.26

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Solution

The fourth proportional to 91,755.10, 137,284.89 and 54,335.26 is: 81,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,755.10 : 137,284.89 = 54,335.26 : x
  2. Step 2: Convert to fraction form
    91,755.10/137,284.89 = 54,335.26/x
  3. Step 3: Cross multiply
    91,755.10x = 137,284.89 × 54,335.26
  4. Step 4: Simplify right side
    91,755.10x = 7,459,410,192.22
  5. Step 5: Solve for x
    x = 7,459,410,192.22/91,755.10
  6. Step 6: Final answer
    x = 81,296.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.