Home / 148,636.40-222,652.20-92,303.60

Finding the Fourth Proportional to 148,636.40, 222,652.20 and 92,303.60

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Solution

The fourth proportional to 148,636.40, 222,652.20 and 92,303.60 is: 138,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,636.40 : 222,652.20 = 92,303.60 : x
  2. Step 2: Convert to fraction form
    148,636.40/222,652.20 = 92,303.60/x
  3. Step 3: Cross multiply
    148,636.40x = 222,652.20 × 92,303.60
  4. Step 4: Simplify right side
    148,636.40x = 20,551,599,607.92
  5. Step 5: Solve for x
    x = 20,551,599,607.92/148,636.40
  6. Step 6: Final answer
    x = 138,267.61

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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.