Home / 147,931.20-222,042.60-73,135.80

Finding the Fourth Proportional to 147,931.20, 222,042.60 and 73,135.80

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Solution

The fourth proportional to 147,931.20, 222,042.60 and 73,135.80 is: 109,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,931.20 : 222,042.60 = 73,135.80 : x
  2. Step 2: Convert to fraction form
    147,931.20/222,042.60 = 73,135.80/x
  3. Step 3: Cross multiply
    147,931.20x = 222,042.60 × 73,135.80
  4. Step 4: Simplify right side
    147,931.20x = 16,239,263,185.08
  5. Step 5: Solve for x
    x = 16,239,263,185.08/147,931.20
  6. Step 6: Final answer
    x = 109,775.78

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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.