Home / 211,003.50-316,583.01-111,159.66

Finding the Fourth Proportional to 211,003.50, 316,583.01 and 111,159.66

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Solution

The fourth proportional to 211,003.50, 316,583.01 and 111,159.66 is: 166,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,003.50 : 316,583.01 = 111,159.66 : x
  2. Step 2: Convert to fraction form
    211,003.50/316,583.01 = 111,159.66/x
  3. Step 3: Cross multiply
    211,003.50x = 316,583.01 × 111,159.66
  4. Step 4: Simplify right side
    211,003.50x = 35,191,259,753.38
  5. Step 5: Solve for x
    x = 35,191,259,753.38/211,003.50
  6. Step 6: Final answer
    x = 166,780.46

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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.