Home / 111,917.40-167,876.10-94,202.70

Finding the Fourth Proportional to 111,917.40, 167,876.10 and 94,202.70

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Solution

The fourth proportional to 111,917.40, 167,876.10 and 94,202.70 is: 141,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917.40 : 167,876.10 = 94,202.70 : x
  2. Step 2: Convert to fraction form
    111,917.40/167,876.10 = 94,202.70/x
  3. Step 3: Cross multiply
    111,917.40x = 167,876.10 × 94,202.70
  4. Step 4: Simplify right side
    111,917.40x = 15,814,381,885.47
  5. Step 5: Solve for x
    x = 15,814,381,885.47/111,917.40
  6. Step 6: Final answer
    x = 141,304.05

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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.