Home / 223,961.35-309,066.60-123,359.35

Finding the Fourth Proportional to 223,961.35, 309,066.60 and 123,359.35

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Solution

The fourth proportional to 223,961.35, 309,066.60 and 123,359.35 is: 170,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,961.35 : 309,066.60 = 123,359.35 : x
  2. Step 2: Convert to fraction form
    223,961.35/309,066.60 = 123,359.35/x
  3. Step 3: Cross multiply
    223,961.35x = 309,066.60 × 123,359.35
  4. Step 4: Simplify right side
    223,961.35x = 38,126,254,882.71
  5. Step 5: Solve for x
    x = 38,126,254,882.71/223,961.35
  6. Step 6: Final answer
    x = 170,235.87

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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.