Home / 90,634.30-125,180.04-60,369.82

Finding the Fourth Proportional to 90,634.30, 125,180.04 and 60,369.82

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Solution

The fourth proportional to 90,634.30, 125,180.04 and 60,369.82 is: 83,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.30 : 125,180.04 = 60,369.82 : x
  2. Step 2: Convert to fraction form
    90,634.30/125,180.04 = 60,369.82/x
  3. Step 3: Cross multiply
    90,634.30x = 125,180.04 × 60,369.82
  4. Step 4: Simplify right side
    90,634.30x = 7,557,096,482.39
  5. Step 5: Solve for x
    x = 7,557,096,482.39/90,634.30
  6. Step 6: Final answer
    x = 83,380.09

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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.