Home / 146,020.64-201,508.56-78,952.64

Finding the Fourth Proportional to 146,020.64, 201,508.56 and 78,952.64

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Solution

The fourth proportional to 146,020.64, 201,508.56 and 78,952.64 is: 108,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,020.64 : 201,508.56 = 78,952.64 : x
  2. Step 2: Convert to fraction form
    146,020.64/201,508.56 = 78,952.64/x
  3. Step 3: Cross multiply
    146,020.64x = 201,508.56 × 78,952.64
  4. Step 4: Simplify right side
    146,020.64x = 15,909,632,794.60
  5. Step 5: Solve for x
    x = 15,909,632,794.60/146,020.64
  6. Step 6: Final answer
    x = 108,954.68

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1.5x scale

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.