Home / 103,744.30-143,233.35-84,669.64

Finding the Fourth Proportional to 103,744.30, 143,233.35 and 84,669.64

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Solution

The fourth proportional to 103,744.30, 143,233.35 and 84,669.64 is: 116,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,744.30 : 143,233.35 = 84,669.64 : x
  2. Step 2: Convert to fraction form
    103,744.30/143,233.35 = 84,669.64/x
  3. Step 3: Cross multiply
    103,744.30x = 143,233.35 × 84,669.64
  4. Step 4: Simplify right side
    103,744.30x = 12,127,515,822.41
  5. Step 5: Solve for x
    x = 12,127,515,822.41/103,744.30
  6. Step 6: Final answer
    x = 116,898.14

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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.