Home / 104,154.72-143,747.82-63,861.36

Finding the Fourth Proportional to 104,154.72, 143,747.82 and 63,861.36

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Solution

The fourth proportional to 104,154.72, 143,747.82 and 63,861.36 is: 88,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,154.72 : 143,747.82 = 63,861.36 : x
  2. Step 2: Convert to fraction form
    104,154.72/143,747.82 = 63,861.36/x
  3. Step 3: Cross multiply
    104,154.72x = 143,747.82 × 63,861.36
  4. Step 4: Simplify right side
    104,154.72x = 9,179,931,282.24
  5. Step 5: Solve for x
    x = 9,179,931,282.24/104,154.72
  6. Step 6: Final answer
    x = 88,137.45

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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.