Home / 226,577.16-312,664.46-131,085.45

Finding the Fourth Proportional to 226,577.16, 312,664.46 and 131,085.45

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Solution

The fourth proportional to 226,577.16, 312,664.46 and 131,085.45 is: 180,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,577.16 : 312,664.46 = 131,085.45 : x
  2. Step 2: Convert to fraction form
    226,577.16/312,664.46 = 131,085.45/x
  3. Step 3: Cross multiply
    226,577.16x = 312,664.46 × 131,085.45
  4. Step 4: Simplify right side
    226,577.16x = 40,985,760,782.68
  5. Step 5: Solve for x
    x = 40,985,760,782.68/226,577.16
  6. Step 6: Final answer
    x = 180,890.96

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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.