Home / 146,139.96-201,673.44-81,608.88

Finding the Fourth Proportional to 146,139.96, 201,673.44 and 81,608.88

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Solution

The fourth proportional to 146,139.96, 201,673.44 and 81,608.88 is: 112,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139.96 : 201,673.44 = 81,608.88 : x
  2. Step 2: Convert to fraction form
    146,139.96/201,673.44 = 81,608.88/x
  3. Step 3: Cross multiply
    146,139.96x = 201,673.44 × 81,608.88
  4. Step 4: Simplify right side
    146,139.96x = 16,458,343,564.15
  5. Step 5: Solve for x
    x = 16,458,343,564.15/146,139.96
  6. Step 6: Final answer
    x = 112,620.42

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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.