Home / 121,976.90-182,871.56-61,956.06

Finding the Fourth Proportional to 121,976.90, 182,871.56 and 61,956.06

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Solution

The fourth proportional to 121,976.90, 182,871.56 and 61,956.06 is: 92,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,976.90 : 182,871.56 = 61,956.06 : x
  2. Step 2: Convert to fraction form
    121,976.90/182,871.56 = 61,956.06/x
  3. Step 3: Cross multiply
    121,976.90x = 182,871.56 × 61,956.06
  4. Step 4: Simplify right side
    121,976.90x = 11,330,000,576.69
  5. Step 5: Solve for x
    x = 11,330,000,576.69/121,976.90
  6. Step 6: Final answer
    x = 92,886.44

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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.