Home / 131,559.30-197,241.75-109,281.06

Finding the Fourth Proportional to 131,559.30, 197,241.75 and 109,281.06

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Solution

The fourth proportional to 131,559.30, 197,241.75 and 109,281.06 is: 163,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559.30 : 197,241.75 = 109,281.06 : x
  2. Step 2: Convert to fraction form
    131,559.30/197,241.75 = 109,281.06/x
  3. Step 3: Cross multiply
    131,559.30x = 197,241.75 × 109,281.06
  4. Step 4: Simplify right side
    131,559.30x = 21,554,787,516.26
  5. Step 5: Solve for x
    x = 21,554,787,516.26/131,559.30
  6. Step 6: Final answer
    x = 163,840.85

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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.