Home / 166,994.64-250,578.09-78,257.16

Finding the Fourth Proportional to 166,994.64, 250,578.09 and 78,257.16

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Solution

The fourth proportional to 166,994.64, 250,578.09 and 78,257.16 is: 117,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,994.64 : 250,578.09 = 78,257.16 : x
  2. Step 2: Convert to fraction form
    166,994.64/250,578.09 = 78,257.16/x
  3. Step 3: Cross multiply
    166,994.64x = 250,578.09 × 78,257.16
  4. Step 4: Simplify right side
    166,994.64x = 19,609,529,681.62
  5. Step 5: Solve for x
    x = 19,609,529,681.62/166,994.64
  6. Step 6: Final answer
    x = 117,426.10

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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.