Home / 106,284.82-146,670.05-57,885.65

Finding the Fourth Proportional to 106,284.82, 146,670.05 and 57,885.65

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Solution

The fourth proportional to 106,284.82, 146,670.05 and 57,885.65 is: 79,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,284.82 : 146,670.05 = 57,885.65 : x
  2. Step 2: Convert to fraction form
    106,284.82/146,670.05 = 57,885.65/x
  3. Step 3: Cross multiply
    106,284.82x = 146,670.05 × 57,885.65
  4. Step 4: Simplify right side
    106,284.82x = 8,490,091,179.78
  5. Step 5: Solve for x
    x = 8,490,091,179.78/106,284.82
  6. Step 6: Final answer
    x = 79,880.56

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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.