Home / 103,986.33-143,502.53-58,664.18

Finding the Fourth Proportional to 103,986.33, 143,502.53 and 58,664.18

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Solution

The fourth proportional to 103,986.33, 143,502.53 and 58,664.18 is: 80,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,986.33 : 143,502.53 = 58,664.18 : x
  2. Step 2: Convert to fraction form
    103,986.33/143,502.53 = 58,664.18/x
  3. Step 3: Cross multiply
    103,986.33x = 143,502.53 × 58,664.18
  4. Step 4: Simplify right side
    103,986.33x = 8,418,457,239.54
  5. Step 5: Solve for x
    x = 8,418,457,239.54/103,986.33
  6. Step 6: Final answer
    x = 80,957.35

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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.