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Finding the Fourth Proportional to 114,569.60, 171,708.60 and 55,277.60

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Solution

The fourth proportional to 114,569.60, 171,708.60 and 55,277.60 is: 82,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,569.60 : 171,708.60 = 55,277.60 : x
  2. Step 2: Convert to fraction form
    114,569.60/171,708.60 = 55,277.60/x
  3. Step 3: Cross multiply
    114,569.60x = 171,708.60 × 55,277.60
  4. Step 4: Simplify right side
    114,569.60x = 9,491,639,307.36
  5. Step 5: Solve for x
    x = 9,491,639,307.36/114,569.60
  6. Step 6: Final answer
    x = 82,846.05

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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.