Home / 149,321.20-223,895.40-55,836.40

Finding the Fourth Proportional to 149,321.20, 223,895.40 and 55,836.40

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Solution

The fourth proportional to 149,321.20, 223,895.40 and 55,836.40 is: 83,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,321.20 : 223,895.40 = 55,836.40 : x
  2. Step 2: Convert to fraction form
    149,321.20/223,895.40 = 55,836.40/x
  3. Step 3: Cross multiply
    149,321.20x = 223,895.40 × 55,836.40
  4. Step 4: Simplify right side
    149,321.20x = 12,501,513,112.56
  5. Step 5: Solve for x
    x = 12,501,513,112.56/149,321.20
  6. Step 6: Final answer
    x = 83,722.29

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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.