Home / 119,288.64-164,627.04-71,540.96

Finding the Fourth Proportional to 119,288.64, 164,627.04 and 71,540.96

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Solution

The fourth proportional to 119,288.64, 164,627.04 and 71,540.96 is: 98,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,288.64 : 164,627.04 = 71,540.96 : x
  2. Step 2: Convert to fraction form
    119,288.64/164,627.04 = 71,540.96/x
  3. Step 3: Cross multiply
    119,288.64x = 164,627.04 × 71,540.96
  4. Step 4: Simplify right side
    119,288.64x = 11,777,576,483.56
  5. Step 5: Solve for x
    x = 11,777,576,483.56/119,288.64
  6. Step 6: Final answer
    x = 98,731.75

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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.