Home / 89,531.25-134,298.41-30,368.44

Finding the Fourth Proportional to 89,531.25, 134,298.41 and 30,368.44

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Solution

The fourth proportional to 89,531.25, 134,298.41 and 30,368.44 is: 45,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,531.25 : 134,298.41 = 30,368.44 : x
  2. Step 2: Convert to fraction form
    89,531.25/134,298.41 = 30,368.44/x
  3. Step 3: Cross multiply
    89,531.25x = 134,298.41 × 30,368.44
  4. Step 4: Simplify right side
    89,531.25x = 4,078,433,206.18
  5. Step 5: Solve for x
    x = 4,078,433,206.18/89,531.25
  6. Step 6: Final answer
    x = 45,553.18

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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.