Home / 148,174.92-204,486.18-81,106.92

Finding the Fourth Proportional to 148,174.92, 204,486.18 and 81,106.92

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Solution

The fourth proportional to 148,174.92, 204,486.18 and 81,106.92 is: 111,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,174.92 : 204,486.18 = 81,106.92 : x
  2. Step 2: Convert to fraction form
    148,174.92/204,486.18 = 81,106.92/x
  3. Step 3: Cross multiply
    148,174.92x = 204,486.18 × 81,106.92
  4. Step 4: Simplify right side
    148,174.92x = 16,585,244,242.37
  5. Step 5: Solve for x
    x = 16,585,244,242.37/148,174.92
  6. Step 6: Final answer
    x = 111,930.17

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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.