Home / 131,974.57-182,082.09-74,608.35

Finding the Fourth Proportional to 131,974.57, 182,082.09 and 74,608.35

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Solution

The fourth proportional to 131,974.57, 182,082.09 and 74,608.35 is: 102,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,974.57 : 182,082.09 = 74,608.35 : x
  2. Step 2: Convert to fraction form
    131,974.57/182,082.09 = 74,608.35/x
  3. Step 3: Cross multiply
    131,974.57x = 182,082.09 × 74,608.35
  4. Step 4: Simplify right side
    131,974.57x = 13,584,844,299.45
  5. Step 5: Solve for x
    x = 13,584,844,299.45/131,974.57
  6. Step 6: Final answer
    x = 102,935.32

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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.