Home / 148,279.46-222,395.63-48,438.86

Finding the Fourth Proportional to 148,279.46, 222,395.63 and 48,438.86

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Solution

The fourth proportional to 148,279.46, 222,395.63 and 48,438.86 is: 72,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,279.46 : 222,395.63 = 48,438.86 : x
  2. Step 2: Convert to fraction form
    148,279.46/222,395.63 = 48,438.86/x
  3. Step 3: Cross multiply
    148,279.46x = 222,395.63 × 48,438.86
  4. Step 4: Simplify right side
    148,279.46x = 10,772,589,432.01
  5. Step 5: Solve for x
    x = 10,772,589,432.01/148,279.46
  6. Step 6: Final answer
    x = 72,650.59

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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.