Home / 148,433.04-204,837.12-80,450.28

Finding the Fourth Proportional to 148,433.04, 204,837.12 and 80,450.28

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Solution

The fourth proportional to 148,433.04, 204,837.12 and 80,450.28 is: 111,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,433.04 : 204,837.12 = 80,450.28 : x
  2. Step 2: Convert to fraction form
    148,433.04/204,837.12 = 80,450.28/x
  3. Step 3: Cross multiply
    148,433.04x = 204,837.12 × 80,450.28
  4. Step 4: Simplify right side
    148,433.04x = 16,479,203,658.39
  5. Step 5: Solve for x
    x = 16,479,203,658.39/148,433.04
  6. Step 6: Final answer
    x = 111,021.13

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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.