Home / 148,629.39-205,094.97-88,189.62

Finding the Fourth Proportional to 148,629.39, 205,094.97 and 88,189.62

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Solution

The fourth proportional to 148,629.39, 205,094.97 and 88,189.62 is: 121,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,629.39 : 205,094.97 = 88,189.62 : x
  2. Step 2: Convert to fraction form
    148,629.39/205,094.97 = 88,189.62/x
  3. Step 3: Cross multiply
    148,629.39x = 205,094.97 × 88,189.62
  4. Step 4: Simplify right side
    148,629.39x = 18,087,247,468.21
  5. Step 5: Solve for x
    x = 18,087,247,468.21/148,629.39
  6. Step 6: Final answer
    x = 121,693.61

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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.