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Finding the Fourth Proportional to 100,086.77, 150,146.55 and 47,467.55

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Solution

The fourth proportional to 100,086.77, 150,146.55 and 47,467.55 is: 71,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,086.77 : 150,146.55 = 47,467.55 : x
  2. Step 2: Convert to fraction form
    100,086.77/150,146.55 = 47,467.55/x
  3. Step 3: Cross multiply
    100,086.77x = 150,146.55 × 47,467.55
  4. Step 4: Simplify right side
    100,086.77x = 7,127,088,118.72
  5. Step 5: Solve for x
    x = 7,127,088,118.72/100,086.77
  6. Step 6: Final answer
    x = 71,209.10

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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.