Home / 199,519.60-299,279.40-164,090.20

Finding the Fourth Proportional to 199,519.60, 299,279.40 and 164,090.20

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Solution

The fourth proportional to 199,519.60, 299,279.40 and 164,090.20 is: 246,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,519.60 : 299,279.40 = 164,090.20 : x
  2. Step 2: Convert to fraction form
    199,519.60/299,279.40 = 164,090.20/x
  3. Step 3: Cross multiply
    199,519.60x = 299,279.40 × 164,090.20
  4. Step 4: Simplify right side
    199,519.60x = 49,108,816,601.88
  5. Step 5: Solve for x
    x = 49,108,816,601.88/199,519.60
  6. Step 6: Final answer
    x = 246,135.30

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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.