Home / 146,965.87-202,814.18-83,291.77

Finding the Fourth Proportional to 146,965.87, 202,814.18 and 83,291.77

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Solution

The fourth proportional to 146,965.87, 202,814.18 and 83,291.77 is: 114,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,965.87 : 202,814.18 = 83,291.77 : x
  2. Step 2: Convert to fraction form
    146,965.87/202,814.18 = 83,291.77/x
  3. Step 3: Cross multiply
    146,965.87x = 202,814.18 × 83,291.77
  4. Step 4: Simplify right side
    146,965.87x = 16,892,752,033.30
  5. Step 5: Solve for x
    x = 16,892,752,033.30/146,965.87
  6. Step 6: Final answer
    x = 114,943.37

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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.