Home / 146,387.52-201,993.41-85,977.65

Finding the Fourth Proportional to 146,387.52, 201,993.41 and 85,977.65

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Solution

The fourth proportional to 146,387.52, 201,993.41 and 85,977.65 is: 118,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,387.52 : 201,993.41 = 85,977.65 : x
  2. Step 2: Convert to fraction form
    146,387.52/201,993.41 = 85,977.65/x
  3. Step 3: Cross multiply
    146,387.52x = 201,993.41 × 85,977.65
  4. Step 4: Simplify right side
    146,387.52x = 17,366,919,427.21
  5. Step 5: Solve for x
    x = 17,366,919,427.21/146,387.52
  6. Step 6: Final answer
    x = 118,636.61

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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.