Home / 104,072.64-143,586.72-63,744.36

Finding the Fourth Proportional to 104,072.64, 143,586.72 and 63,744.36

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Solution

The fourth proportional to 104,072.64, 143,586.72 and 63,744.36 is: 87,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.64 : 143,586.72 = 63,744.36 : x
  2. Step 2: Convert to fraction form
    104,072.64/143,586.72 = 63,744.36/x
  3. Step 3: Cross multiply
    104,072.64x = 143,586.72 × 63,744.36
  4. Step 4: Simplify right side
    104,072.64x = 9,152,843,570.90
  5. Step 5: Solve for x
    x = 9,152,843,570.90/104,072.64
  6. Step 6: Final answer
    x = 87,946.68

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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.