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Finding the Fourth Proportional to 76,192.80, 114,200.88 and 45,054.24

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Solution

The fourth proportional to 76,192.80, 114,200.88 and 45,054.24 is: 67,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,192.80 : 114,200.88 = 45,054.24 : x
  2. Step 2: Convert to fraction form
    76,192.80/114,200.88 = 45,054.24/x
  3. Step 3: Cross multiply
    76,192.80x = 114,200.88 × 45,054.24
  4. Step 4: Simplify right side
    76,192.80x = 5,145,233,855.73
  5. Step 5: Solve for x
    x = 5,145,233,855.73/76,192.80
  6. Step 6: Final answer
    x = 67,529.13

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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.