Home / 104,008-143,472.72-63,741.28

Finding the Fourth Proportional to 104,008, 143,472.72 and 63,741.28

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Solution

The fourth proportional to 104,008, 143,472.72 and 63,741.28 is: 87,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008 : 143,472.72 = 63,741.28 : x
  2. Step 2: Convert to fraction form
    104,008/143,472.72 = 63,741.28/x
  3. Step 3: Cross multiply
    104,008x = 143,472.72 × 63,741.28
  4. Step 4: Simplify right side
    104,008x = 9,145,134,817.88
  5. Step 5: Solve for x
    x = 9,145,134,817.88/104,008
  6. Step 6: Final answer
    x = 87,927.23

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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.