Home / 180,140.29-270,379.73-91,457.44

Finding the Fourth Proportional to 180,140.29, 270,379.73 and 91,457.44

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Solution

The fourth proportional to 180,140.29, 270,379.73 and 91,457.44 is: 137,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,140.29 : 270,379.73 = 91,457.44 : x
  2. Step 2: Convert to fraction form
    180,140.29/270,379.73 = 91,457.44/x
  3. Step 3: Cross multiply
    180,140.29x = 270,379.73 × 91,457.44
  4. Step 4: Simplify right side
    180,140.29x = 24,728,237,933.69
  5. Step 5: Solve for x
    x = 24,728,237,933.69/180,140.29
  6. Step 6: Final answer
    x = 137,272.11

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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.