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Finding the Fourth Proportional to 169,404.30, 254,130.62 and 55,527.75

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Solution

The fourth proportional to 169,404.30, 254,130.62 and 55,527.75 is: 83,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,404.30 : 254,130.62 = 55,527.75 : x
  2. Step 2: Convert to fraction form
    169,404.30/254,130.62 = 55,527.75/x
  3. Step 3: Cross multiply
    169,404.30x = 254,130.62 × 55,527.75
  4. Step 4: Simplify right side
    169,404.30x = 14,111,301,257.07
  5. Step 5: Solve for x
    x = 14,111,301,257.07/169,404.30
  6. Step 6: Final answer
    x = 83,299.55

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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.