Home / 148,541.50-204,983.41-84,879.29

Finding the Fourth Proportional to 148,541.50, 204,983.41 and 84,879.29

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Solution

The fourth proportional to 148,541.50, 204,983.41 and 84,879.29 is: 117,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,541.50 : 204,983.41 = 84,879.29 : x
  2. Step 2: Convert to fraction form
    148,541.50/204,983.41 = 84,879.29/x
  3. Step 3: Cross multiply
    148,541.50x = 204,983.41 × 84,879.29
  4. Step 4: Simplify right side
    148,541.50x = 17,398,846,761.99
  5. Step 5: Solve for x
    x = 17,398,846,761.99/148,541.50
  6. Step 6: Final answer
    x = 117,131.22

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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.