Home / 161,172.80-222,421.94-88,576.68

Finding the Fourth Proportional to 161,172.80, 222,421.94 and 88,576.68

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Solution

The fourth proportional to 161,172.80, 222,421.94 and 88,576.68 is: 122,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,172.80 : 222,421.94 = 88,576.68 : x
  2. Step 2: Convert to fraction form
    161,172.80/222,421.94 = 88,576.68/x
  3. Step 3: Cross multiply
    161,172.80x = 222,421.94 × 88,576.68
  4. Step 4: Simplify right side
    161,172.80x = 19,701,397,004.36
  5. Step 5: Solve for x
    x = 19,701,397,004.36/161,172.80
  6. Step 6: Final answer
    x = 122,237.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.