Home / 89,202.94-123,253.05-86,009.92

Finding the Fourth Proportional to 89,202.94, 123,253.05 and 86,009.92

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Solution

The fourth proportional to 89,202.94, 123,253.05 and 86,009.92 is: 118,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,202.94 : 123,253.05 = 86,009.92 : x
  2. Step 2: Convert to fraction form
    89,202.94/123,253.05 = 86,009.92/x
  3. Step 3: Cross multiply
    89,202.94x = 123,253.05 × 86,009.92
  4. Step 4: Simplify right side
    89,202.94x = 10,600,984,970.26
  5. Step 5: Solve for x
    x = 10,600,984,970.26/89,202.94
  6. Step 6: Final answer
    x = 118,841.21

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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.