Home / 148,197.76-204,512.88-80,214.72

Finding the Fourth Proportional to 148,197.76, 204,512.88 and 80,214.72

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Solution

The fourth proportional to 148,197.76, 204,512.88 and 80,214.72 is: 110,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,197.76 : 204,512.88 = 80,214.72 : x
  2. Step 2: Convert to fraction form
    148,197.76/204,512.88 = 80,214.72/x
  3. Step 3: Cross multiply
    148,197.76x = 204,512.88 × 80,214.72
  4. Step 4: Simplify right side
    148,197.76x = 16,404,943,405.59
  5. Step 5: Solve for x
    x = 16,404,943,405.59/148,197.76
  6. Step 6: Final answer
    x = 110,696.30

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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.