Home / 149,105.80-223,512.90-133,359.40

Finding the Fourth Proportional to 149,105.80, 223,512.90 and 133,359.40

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Solution

The fourth proportional to 149,105.80, 223,512.90 and 133,359.40 is: 199,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,105.80 : 223,512.90 = 133,359.40 : x
  2. Step 2: Convert to fraction form
    149,105.80/223,512.90 = 133,359.40/x
  3. Step 3: Cross multiply
    149,105.80x = 223,512.90 × 133,359.40
  4. Step 4: Simplify right side
    149,105.80x = 29,807,546,236.26
  5. Step 5: Solve for x
    x = 29,807,546,236.26/149,105.80
  6. Step 6: Final answer
    x = 199,908.70

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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.