Home / 197,331.96-272,136.39-129,324.16

Finding the Fourth Proportional to 197,331.96, 272,136.39 and 129,324.16

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Solution

The fourth proportional to 197,331.96, 272,136.39 and 129,324.16 is: 178,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,331.96 : 272,136.39 = 129,324.16 : x
  2. Step 2: Convert to fraction form
    197,331.96/272,136.39 = 129,324.16/x
  3. Step 3: Cross multiply
    197,331.96x = 272,136.39 × 129,324.16
  4. Step 4: Simplify right side
    197,331.96x = 35,193,808,681.50
  5. Step 5: Solve for x
    x = 35,193,808,681.50/197,331.96
  6. Step 6: Final answer
    x = 178,348.24

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