Home / 218,566.36-301,650.32-123,091.72

Finding the Fourth Proportional to 218,566.36, 301,650.32 and 123,091.72

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Solution

The fourth proportional to 218,566.36, 301,650.32 and 123,091.72 is: 169,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,566.36 : 301,650.32 = 123,091.72 : x
  2. Step 2: Convert to fraction form
    218,566.36/301,650.32 = 123,091.72/x
  3. Step 3: Cross multiply
    218,566.36x = 301,650.32 × 123,091.72
  4. Step 4: Simplify right side
    218,566.36x = 37,130,656,727.35
  5. Step 5: Solve for x
    x = 37,130,656,727.35/218,566.36
  6. Step 6: Final answer
    x = 169,882.76

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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.