Home / 202,123.26-303,185.13-61,881.18

Finding the Fourth Proportional to 202,123.26, 303,185.13 and 61,881.18

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Solution

The fourth proportional to 202,123.26, 303,185.13 and 61,881.18 is: 92,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,123.26 : 303,185.13 = 61,881.18 : x
  2. Step 2: Convert to fraction form
    202,123.26/303,185.13 = 61,881.18/x
  3. Step 3: Cross multiply
    202,123.26x = 303,185.13 × 61,881.18
  4. Step 4: Simplify right side
    202,123.26x = 18,761,453,602.85
  5. Step 5: Solve for x
    x = 18,761,453,602.85/202,123.26
  6. Step 6: Final answer
    x = 92,821.84

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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.