Home / 119,986.47-180,012.56-52,506.27

Finding the Fourth Proportional to 119,986.47, 180,012.56 and 52,506.27

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Solution

The fourth proportional to 119,986.47, 180,012.56 and 52,506.27 is: 78,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,986.47 : 180,012.56 = 52,506.27 : x
  2. Step 2: Convert to fraction form
    119,986.47/180,012.56 = 52,506.27/x
  3. Step 3: Cross multiply
    119,986.47x = 180,012.56 × 52,506.27
  4. Step 4: Simplify right side
    119,986.47x = 9,451,787,816.22
  5. Step 5: Solve for x
    x = 9,451,787,816.22/119,986.47
  6. Step 6: Final answer
    x = 78,773.78

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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.