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Finding the Fourth Proportional to 169,668.64, 254,534.24 and 55,822.85

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Solution

The fourth proportional to 169,668.64, 254,534.24 and 55,822.85 is: 83,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,668.64 : 254,534.24 = 55,822.85 : x
  2. Step 2: Convert to fraction form
    169,668.64/254,534.24 = 55,822.85/x
  3. Step 3: Cross multiply
    169,668.64x = 254,534.24 × 55,822.85
  4. Step 4: Simplify right side
    169,668.64x = 14,208,826,699.38
  5. Step 5: Solve for x
    x = 14,208,826,699.38/169,668.64
  6. Step 6: Final answer
    x = 83,744.57

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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.