Home / 165,144.75-227,900.93-89,693.25

Finding the Fourth Proportional to 165,144.75, 227,900.93 and 89,693.25

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Solution

The fourth proportional to 165,144.75, 227,900.93 and 89,693.25 is: 123,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,144.75 : 227,900.93 = 89,693.25 : x
  2. Step 2: Convert to fraction form
    165,144.75/227,900.93 = 89,693.25/x
  3. Step 3: Cross multiply
    165,144.75x = 227,900.93 × 89,693.25
  4. Step 4: Simplify right side
    165,144.75x = 20,441,174,641.26
  5. Step 5: Solve for x
    x = 20,441,174,641.26/165,144.75
  6. Step 6: Final answer
    x = 123,777.32

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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.