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Finding the Fourth Proportional to 100,188.84, 150,179.58 and 47,558.28

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Solution

The fourth proportional to 100,188.84, 150,179.58 and 47,558.28 is: 71,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,188.84 : 150,179.58 = 47,558.28 : x
  2. Step 2: Convert to fraction form
    100,188.84/150,179.58 = 47,558.28/x
  3. Step 3: Cross multiply
    100,188.84x = 150,179.58 × 47,558.28
  4. Step 4: Simplify right side
    100,188.84x = 7,142,282,515.92
  5. Step 5: Solve for x
    x = 7,142,282,515.92/100,188.84
  6. Step 6: Final answer
    x = 71,288.20

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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.