Home / 118,983.72-164,202.08-65,271

Finding the Fourth Proportional to 118,983.72, 164,202.08 and 65,271

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Solution

The fourth proportional to 118,983.72, 164,202.08 and 65,271 is: 90,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,983.72 : 164,202.08 = 65,271 : x
  2. Step 2: Convert to fraction form
    118,983.72/164,202.08 = 65,271/x
  3. Step 3: Cross multiply
    118,983.72x = 164,202.08 × 65,271
  4. Step 4: Simplify right side
    118,983.72x = 10,717,633,963.68
  5. Step 5: Solve for x
    x = 10,717,633,963.68/118,983.72
  6. Step 6: Final answer
    x = 90,076.47

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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.