Home / 148,012.12-204,253.68-80,944.12

Finding the Fourth Proportional to 148,012.12, 204,253.68 and 80,944.12

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Solution

The fourth proportional to 148,012.12, 204,253.68 and 80,944.12 is: 111,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,012.12 : 204,253.68 = 80,944.12 : x
  2. Step 2: Convert to fraction form
    148,012.12/204,253.68 = 80,944.12/x
  3. Step 3: Cross multiply
    148,012.12x = 204,253.68 × 80,944.12
  4. Step 4: Simplify right side
    148,012.12x = 16,533,134,384.36
  5. Step 5: Solve for x
    x = 16,533,134,384.36/148,012.12
  6. Step 6: Final answer
    x = 111,701.22

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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.