Home / 148,240.60-222,360.90-81,646.45

Finding the Fourth Proportional to 148,240.60, 222,360.90 and 81,646.45

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Solution

The fourth proportional to 148,240.60, 222,360.90 and 81,646.45 is: 122,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,240.60 : 222,360.90 = 81,646.45 : x
  2. Step 2: Convert to fraction form
    148,240.60/222,360.90 = 81,646.45/x
  3. Step 3: Cross multiply
    148,240.60x = 222,360.90 × 81,646.45
  4. Step 4: Simplify right side
    148,240.60x = 18,154,978,103.81
  5. Step 5: Solve for x
    x = 18,154,978,103.81/148,240.60
  6. Step 6: Final answer
    x = 122,469.68

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1.5x scale

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.