Home / 112,768.08-155,544.92-72,532.76

Finding the Fourth Proportional to 112,768.08, 155,544.92 and 72,532.76

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Solution

The fourth proportional to 112,768.08, 155,544.92 and 72,532.76 is: 100,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,768.08 : 155,544.92 = 72,532.76 : x
  2. Step 2: Convert to fraction form
    112,768.08/155,544.92 = 72,532.76/x
  3. Step 3: Cross multiply
    112,768.08x = 155,544.92 × 72,532.76
  4. Step 4: Simplify right side
    112,768.08x = 11,282,102,351.58
  5. Step 5: Solve for x
    x = 11,282,102,351.58/112,768.08
  6. Step 6: Final answer
    x = 100,046.95

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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.