Home / 89,335.04-134,537.60-81,363.44

Finding the Fourth Proportional to 89,335.04, 134,537.60 and 81,363.44

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Solution

The fourth proportional to 89,335.04, 134,537.60 and 81,363.44 is: 122,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.04 : 134,537.60 = 81,363.44 : x
  2. Step 2: Convert to fraction form
    89,335.04/134,537.60 = 81,363.44/x
  3. Step 3: Cross multiply
    89,335.04x = 134,537.60 × 81,363.44
  4. Step 4: Simplify right side
    89,335.04x = 10,946,441,945.34
  5. Step 5: Solve for x
    x = 10,946,441,945.34/89,335.04
  6. Step 6: Final answer
    x = 122,532.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.