Home / 110,668.78-166,045.08-66,327.35

Finding the Fourth Proportional to 110,668.78, 166,045.08 and 66,327.35

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Solution

The fourth proportional to 110,668.78, 166,045.08 and 66,327.35 is: 99,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668.78 : 166,045.08 = 66,327.35 : x
  2. Step 2: Convert to fraction form
    110,668.78/166,045.08 = 66,327.35/x
  3. Step 3: Cross multiply
    110,668.78x = 166,045.08 × 66,327.35
  4. Step 4: Simplify right side
    110,668.78x = 11,013,330,136.94
  5. Step 5: Solve for x
    x = 11,013,330,136.94/110,668.78
  6. Step 6: Final answer
    x = 99,516.15

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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.