Home / 148,082.75-204,336.59-83,548.22

Finding the Fourth Proportional to 148,082.75, 204,336.59 and 83,548.22

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Solution

The fourth proportional to 148,082.75, 204,336.59 and 83,548.22 is: 115,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,082.75 : 204,336.59 = 83,548.22 : x
  2. Step 2: Convert to fraction form
    148,082.75/204,336.59 = 83,548.22/x
  3. Step 3: Cross multiply
    148,082.75x = 204,336.59 × 83,548.22
  4. Step 4: Simplify right side
    148,082.75x = 17,071,957,405.90
  5. Step 5: Solve for x
    x = 17,071,957,405.90/148,082.75
  6. Step 6: Final answer
    x = 115,286.61

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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.