Home / 246,399.36-340,027.20-138,969.60

Finding the Fourth Proportional to 246,399.36, 340,027.20 and 138,969.60

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Solution

The fourth proportional to 246,399.36, 340,027.20 and 138,969.60 is: 191,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,399.36 : 340,027.20 = 138,969.60 : x
  2. Step 2: Convert to fraction form
    246,399.36/340,027.20 = 138,969.60/x
  3. Step 3: Cross multiply
    246,399.36x = 340,027.20 × 138,969.60
  4. Step 4: Simplify right side
    246,399.36x = 47,253,443,973.12
  5. Step 5: Solve for x
    x = 47,253,443,973.12/246,399.36
  6. Step 6: Final answer
    x = 191,775.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.