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Finding the Fourth Proportional to 148,337.70, 222,506.55 and 108,485.70

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Solution

The fourth proportional to 148,337.70, 222,506.55 and 108,485.70 is: 162,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,337.70 : 222,506.55 = 108,485.70 : x
  2. Step 2: Convert to fraction form
    148,337.70/222,506.55 = 108,485.70/x
  3. Step 3: Cross multiply
    148,337.70x = 222,506.55 × 108,485.70
  4. Step 4: Simplify right side
    148,337.70x = 24,138,778,831.34
  5. Step 5: Solve for x
    x = 24,138,778,831.34/148,337.70
  6. Step 6: Final answer
    x = 162,728.55

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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.