Home / 180,329.09-248,861.46-99,755.22

Finding the Fourth Proportional to 180,329.09, 248,861.46 and 99,755.22

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Solution

The fourth proportional to 180,329.09, 248,861.46 and 99,755.22 is: 137,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,329.09 : 248,861.46 = 99,755.22 : x
  2. Step 2: Convert to fraction form
    180,329.09/248,861.46 = 99,755.22/x
  3. Step 3: Cross multiply
    180,329.09x = 248,861.46 × 99,755.22
  4. Step 4: Simplify right side
    180,329.09x = 24,825,230,299.21
  5. Step 5: Solve for x
    x = 24,825,230,299.21/180,329.09
  6. Step 6: Final answer
    x = 137,666.26

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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.