Home / 215,966.30-298,031.46-119,171.06

Finding the Fourth Proportional to 215,966.30, 298,031.46 and 119,171.06

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Solution

The fourth proportional to 215,966.30, 298,031.46 and 119,171.06 is: 164,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,966.30 : 298,031.46 = 119,171.06 : x
  2. Step 2: Convert to fraction form
    215,966.30/298,031.46 = 119,171.06/x
  3. Step 3: Cross multiply
    215,966.30x = 298,031.46 × 119,171.06
  4. Step 4: Simplify right side
    215,966.30x = 35,516,725,001.55
  5. Step 5: Solve for x
    x = 35,516,725,001.55/215,966.30
  6. Step 6: Final answer
    x = 164,454.94

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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.