Home / 103,204.54-142,361.77-64,903.33

Finding the Fourth Proportional to 103,204.54, 142,361.77 and 64,903.33

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Solution

The fourth proportional to 103,204.54, 142,361.77 and 64,903.33 is: 89,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,204.54 : 142,361.77 = 64,903.33 : x
  2. Step 2: Convert to fraction form
    103,204.54/142,361.77 = 64,903.33/x
  3. Step 3: Cross multiply
    103,204.54x = 142,361.77 × 64,903.33
  4. Step 4: Simplify right side
    103,204.54x = 9,239,753,455.86
  5. Step 5: Solve for x
    x = 9,239,753,455.86/103,204.54
  6. Step 6: Final answer
    x = 89,528.56

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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.