Home / 166,824.36-250,061.58-78,003

Finding the Fourth Proportional to 166,824.36, 250,061.58 and 78,003

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Solution

The fourth proportional to 166,824.36, 250,061.58 and 78,003 is: 116,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,824.36 : 250,061.58 = 78,003 : x
  2. Step 2: Convert to fraction form
    166,824.36/250,061.58 = 78,003/x
  3. Step 3: Cross multiply
    166,824.36x = 250,061.58 × 78,003
  4. Step 4: Simplify right side
    166,824.36x = 19,505,553,424.74
  5. Step 5: Solve for x
    x = 19,505,553,424.74/166,824.36
  6. Step 6: Final answer
    x = 116,922.69

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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.