Home / 112,273.87-154,934.07-66,928.45

Finding the Fourth Proportional to 112,273.87, 154,934.07 and 66,928.45

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Solution

The fourth proportional to 112,273.87, 154,934.07 and 66,928.45 is: 92,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,273.87 : 154,934.07 = 66,928.45 : x
  2. Step 2: Convert to fraction form
    112,273.87/154,934.07 = 66,928.45/x
  3. Step 3: Cross multiply
    112,273.87x = 154,934.07 × 66,928.45
  4. Step 4: Simplify right side
    112,273.87x = 10,369,497,157.29
  5. Step 5: Solve for x
    x = 10,369,497,157.29/112,273.87
  6. Step 6: Final answer
    x = 92,358.95

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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.