Home / 118,997.72-164,215.50-68,695.64

Finding the Fourth Proportional to 118,997.72, 164,215.50 and 68,695.64

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Solution

The fourth proportional to 118,997.72, 164,215.50 and 68,695.64 is: 94,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,997.72 : 164,215.50 = 68,695.64 : x
  2. Step 2: Convert to fraction form
    118,997.72/164,215.50 = 68,695.64/x
  3. Step 3: Cross multiply
    118,997.72x = 164,215.50 × 68,695.64
  4. Step 4: Simplify right side
    118,997.72x = 11,280,888,870.42
  5. Step 5: Solve for x
    x = 11,280,888,870.42/118,997.72
  6. Step 6: Final answer
    x = 94,799.20

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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.