Home / 166,072.60-248,452.80-144,129.70

Finding the Fourth Proportional to 166,072.60, 248,452.80 and 144,129.70

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Solution

The fourth proportional to 166,072.60, 248,452.80 and 144,129.70 is: 215,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,072.60 : 248,452.80 = 144,129.70 : x
  2. Step 2: Convert to fraction form
    166,072.60/248,452.80 = 144,129.70/x
  3. Step 3: Cross multiply
    166,072.60x = 248,452.80 × 144,129.70
  4. Step 4: Simplify right side
    166,072.60x = 35,809,427,528.16
  5. Step 5: Solve for x
    x = 35,809,427,528.16/166,072.60
  6. Step 6: Final answer
    x = 215,625.14

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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.