Home / 109,972.24-164,974.60-39,835.20

Finding the Fourth Proportional to 109,972.24, 164,974.60 and 39,835.20

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Solution

The fourth proportional to 109,972.24, 164,974.60 and 39,835.20 is: 59,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.24 : 164,974.60 = 39,835.20 : x
  2. Step 2: Convert to fraction form
    109,972.24/164,974.60 = 39,835.20/x
  3. Step 3: Cross multiply
    109,972.24x = 164,974.60 × 39,835.20
  4. Step 4: Simplify right side
    109,972.24x = 6,571,796,185.92
  5. Step 5: Solve for x
    x = 6,571,796,185.92/109,972.24
  6. Step 6: Final answer
    x = 59,758.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.