Home / 148,764.34-222,765.52-82,130.50

Finding the Fourth Proportional to 148,764.34, 222,765.52 and 82,130.50

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Solution

The fourth proportional to 148,764.34, 222,765.52 and 82,130.50 is: 122,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,764.34 : 222,765.52 = 82,130.50 : x
  2. Step 2: Convert to fraction form
    148,764.34/222,765.52 = 82,130.50/x
  3. Step 3: Cross multiply
    148,764.34x = 222,765.52 × 82,130.50
  4. Step 4: Simplify right side
    148,764.34x = 18,295,843,540.36
  5. Step 5: Solve for x
    x = 18,295,843,540.36/148,764.34
  6. Step 6: Final answer
    x = 122,985.41

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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.