Home / 148,115.80-222,206.10-48,280.60

Finding the Fourth Proportional to 148,115.80, 222,206.10 and 48,280.60

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Solution

The fourth proportional to 148,115.80, 222,206.10 and 48,280.60 is: 72,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,115.80 : 222,206.10 = 48,280.60 : x
  2. Step 2: Convert to fraction form
    148,115.80/222,206.10 = 48,280.60/x
  3. Step 3: Cross multiply
    148,115.80x = 222,206.10 × 48,280.60
  4. Step 4: Simplify right side
    148,115.80x = 10,728,243,831.66
  5. Step 5: Solve for x
    x = 10,728,243,831.66/148,115.80
  6. Step 6: Final answer
    x = 72,431.46

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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.