Home / 121,286.46-182,015.81-97,877.36

Finding the Fourth Proportional to 121,286.46, 182,015.81 and 97,877.36

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Solution

The fourth proportional to 121,286.46, 182,015.81 and 97,877.36 is: 146,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,286.46 : 182,015.81 = 97,877.36 : x
  2. Step 2: Convert to fraction form
    121,286.46/182,015.81 = 97,877.36/x
  3. Step 3: Cross multiply
    121,286.46x = 182,015.81 × 97,877.36
  4. Step 4: Simplify right side
    121,286.46x = 17,815,227,293.75
  5. Step 5: Solve for x
    x = 17,815,227,293.75/121,286.46
  6. Step 6: Final answer
    x = 146,885.54

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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.