Home / 89,280.36-133,916.70-26,949

Finding the Fourth Proportional to 89,280.36, 133,916.70 and 26,949

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Solution

The fourth proportional to 89,280.36, 133,916.70 and 26,949 is: 40,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280.36 : 133,916.70 = 26,949 : x
  2. Step 2: Convert to fraction form
    89,280.36/133,916.70 = 26,949/x
  3. Step 3: Cross multiply
    89,280.36x = 133,916.70 × 26,949
  4. Step 4: Simplify right side
    89,280.36x = 3,608,921,148.30
  5. Step 5: Solve for x
    x = 3,608,921,148.30/89,280.36
  6. Step 6: Final answer
    x = 40,422.34

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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.