Home / 161,743.44-242,629.78-61,899.60

Finding the Fourth Proportional to 161,743.44, 242,629.78 and 61,899.60

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Solution

The fourth proportional to 161,743.44, 242,629.78 and 61,899.60 is: 92,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,743.44 : 242,629.78 = 61,899.60 : x
  2. Step 2: Convert to fraction form
    161,743.44/242,629.78 = 61,899.60/x
  3. Step 3: Cross multiply
    161,743.44x = 242,629.78 × 61,899.60
  4. Step 4: Simplify right side
    161,743.44x = 15,018,686,330.09
  5. Step 5: Solve for x
    x = 15,018,686,330.09/161,743.44
  6. Step 6: Final answer
    x = 92,855.00

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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.