Home / 111,220.64-166,855.60-61,275.03

Finding the Fourth Proportional to 111,220.64, 166,855.60 and 61,275.03

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Solution

The fourth proportional to 111,220.64, 166,855.60 and 61,275.03 is: 91,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220.64 : 166,855.60 = 61,275.03 : x
  2. Step 2: Convert to fraction form
    111,220.64/166,855.60 = 61,275.03/x
  3. Step 3: Cross multiply
    111,220.64x = 166,855.60 × 61,275.03
  4. Step 4: Simplify right side
    111,220.64x = 10,224,081,940.44
  5. Step 5: Solve for x
    x = 10,224,081,940.44/111,220.64
  6. Step 6: Final answer
    x = 91,926.12

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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.