Home / 211,118.97-316,699.20-61,360.50

Finding the Fourth Proportional to 211,118.97, 316,699.20 and 61,360.50

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Solution

The fourth proportional to 211,118.97, 316,699.20 and 61,360.50 is: 92,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,118.97 : 316,699.20 = 61,360.50 : x
  2. Step 2: Convert to fraction form
    211,118.97/316,699.20 = 61,360.50/x
  3. Step 3: Cross multiply
    211,118.97x = 316,699.20 × 61,360.50
  4. Step 4: Simplify right side
    211,118.97x = 19,432,821,261.60
  5. Step 5: Solve for x
    x = 19,432,821,261.60/211,118.97
  6. Step 6: Final answer
    x = 92,046.78

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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.