Home / 146,365.12-201,899.64-88,181.44

Finding the Fourth Proportional to 146,365.12, 201,899.64 and 88,181.44

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Solution

The fourth proportional to 146,365.12, 201,899.64 and 88,181.44 is: 121,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,365.12 : 201,899.64 = 88,181.44 : x
  2. Step 2: Convert to fraction form
    146,365.12/201,899.64 = 88,181.44/x
  3. Step 3: Cross multiply
    146,365.12x = 201,899.64 × 88,181.44
  4. Step 4: Simplify right side
    146,365.12x = 17,803,800,990.68
  5. Step 5: Solve for x
    x = 17,803,800,990.68/146,365.12
  6. Step 6: Final answer
    x = 121,639.64

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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.