Home / 202,536.81-303,617.40-69,385.43

Finding the Fourth Proportional to 202,536.81, 303,617.40 and 69,385.43

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Solution

The fourth proportional to 202,536.81, 303,617.40 and 69,385.43 is: 104,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,536.81 : 303,617.40 = 69,385.43 : x
  2. Step 2: Convert to fraction form
    202,536.81/303,617.40 = 69,385.43/x
  3. Step 3: Cross multiply
    202,536.81x = 303,617.40 × 69,385.43
  4. Step 4: Simplify right side
    202,536.81x = 21,066,622,336.40
  5. Step 5: Solve for x
    x = 21,066,622,336.40/202,536.81
  6. Step 6: Final answer
    x = 104,013.80

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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.