Home / 148,421.22-222,632.64-48,580.62

Finding the Fourth Proportional to 148,421.22, 222,632.64 and 48,580.62

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Solution

The fourth proportional to 148,421.22, 222,632.64 and 48,580.62 is: 72,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,421.22 : 222,632.64 = 48,580.62 : x
  2. Step 2: Convert to fraction form
    148,421.22/222,632.64 = 48,580.62/x
  3. Step 3: Cross multiply
    148,421.22x = 222,632.64 × 48,580.62
  4. Step 4: Simplify right side
    148,421.22x = 10,815,631,683.44
  5. Step 5: Solve for x
    x = 10,815,631,683.44/148,421.22
  6. Step 6: Final answer
    x = 72,871.20

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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.