Home / 103,731.14-143,151.82-63,444.18

Finding the Fourth Proportional to 103,731.14, 143,151.82 and 63,444.18

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Solution

The fourth proportional to 103,731.14, 143,151.82 and 63,444.18 is: 87,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,731.14 : 143,151.82 = 63,444.18 : x
  2. Step 2: Convert to fraction form
    103,731.14/143,151.82 = 63,444.18/x
  3. Step 3: Cross multiply
    103,731.14x = 143,151.82 × 63,444.18
  4. Step 4: Simplify right side
    103,731.14x = 9,082,149,835.41
  5. Step 5: Solve for x
    x = 9,082,149,835.41/103,731.14
  6. Step 6: Final answer
    x = 87,554.71

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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.