Home / 149,659.20-223,840.80-133,977.60

Finding the Fourth Proportional to 149,659.20, 223,840.80 and 133,977.60

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Solution

The fourth proportional to 149,659.20, 223,840.80 and 133,977.60 is: 200,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,659.20 : 223,840.80 = 133,977.60 : x
  2. Step 2: Convert to fraction form
    149,659.20/223,840.80 = 133,977.60/x
  3. Step 3: Cross multiply
    149,659.20x = 223,840.80 × 133,977.60
  4. Step 4: Simplify right side
    149,659.20x = 29,989,653,166.08
  5. Step 5: Solve for x
    x = 29,989,653,166.08/149,659.20
  6. Step 6: Final answer
    x = 200,386.30

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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.