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Finding the Fourth Proportional to 100,173.76, 150,022.13 and 57,964.90

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Solution

The fourth proportional to 100,173.76, 150,022.13 and 57,964.90 is: 86,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,173.76 : 150,022.13 = 57,964.90 : x
  2. Step 2: Convert to fraction form
    100,173.76/150,022.13 = 57,964.90/x
  3. Step 3: Cross multiply
    100,173.76x = 150,022.13 × 57,964.90
  4. Step 4: Simplify right side
    100,173.76x = 8,696,017,379.65
  5. Step 5: Solve for x
    x = 8,696,017,379.65/100,173.76
  6. Step 6: Final answer
    x = 86,809.33

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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.