Home / 192,511.28-288,816.12-74,150.84

Finding the Fourth Proportional to 192,511.28, 288,816.12 and 74,150.84

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Solution

The fourth proportional to 192,511.28, 288,816.12 and 74,150.84 is: 111,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,511.28 : 288,816.12 = 74,150.84 : x
  2. Step 2: Convert to fraction form
    192,511.28/288,816.12 = 74,150.84/x
  3. Step 3: Cross multiply
    192,511.28x = 288,816.12 × 74,150.84
  4. Step 4: Simplify right side
    192,511.28x = 21,415,956,459.46
  5. Step 5: Solve for x
    x = 21,415,956,459.46/192,511.28
  6. Step 6: Final answer
    x = 111,245.21

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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.