Home / 97,219.81-134,171.13-54,213.36

Finding the Fourth Proportional to 97,219.81, 134,171.13 and 54,213.36

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Solution

The fourth proportional to 97,219.81, 134,171.13 and 54,213.36 is: 74,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,219.81 : 134,171.13 = 54,213.36 : x
  2. Step 2: Convert to fraction form
    97,219.81/134,171.13 = 54,213.36/x
  3. Step 3: Cross multiply
    97,219.81x = 134,171.13 × 54,213.36
  4. Step 4: Simplify right side
    97,219.81x = 7,273,867,772.30
  5. Step 5: Solve for x
    x = 7,273,867,772.30/97,219.81
  6. Step 6: Final answer
    x = 74,818.78

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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.