Home / 218,595.20-301,662.48-123,103.52

Finding the Fourth Proportional to 218,595.20, 301,662.48 and 123,103.52

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Solution

The fourth proportional to 218,595.20, 301,662.48 and 123,103.52 is: 169,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,595.20 : 301,662.48 = 123,103.52 : x
  2. Step 2: Convert to fraction form
    218,595.20/301,662.48 = 123,103.52/x
  3. Step 3: Cross multiply
    218,595.20x = 301,662.48 × 123,103.52
  4. Step 4: Simplify right side
    218,595.20x = 37,135,713,139.93
  5. Step 5: Solve for x
    x = 37,135,713,139.93/218,595.20
  6. Step 6: Final answer
    x = 169,883.48

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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.