Home / 148,540.47-204,984.45-80,558.94

Finding the Fourth Proportional to 148,540.47, 204,984.45 and 80,558.94

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Solution

The fourth proportional to 148,540.47, 204,984.45 and 80,558.94 is: 111,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,540.47 : 204,984.45 = 80,558.94 : x
  2. Step 2: Convert to fraction form
    148,540.47/204,984.45 = 80,558.94/x
  3. Step 3: Cross multiply
    148,540.47x = 204,984.45 × 80,558.94
  4. Step 4: Simplify right side
    148,540.47x = 16,513,330,008.48
  5. Step 5: Solve for x
    x = 16,513,330,008.48/148,540.47
  6. Step 6: Final answer
    x = 111,170.58

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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.