Home / 104,147.99-143,724-56,401.19

Finding the Fourth Proportional to 104,147.99, 143,724 and 56,401.19

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Solution

The fourth proportional to 104,147.99, 143,724 and 56,401.19 is: 77,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.99 : 143,724 = 56,401.19 : x
  2. Step 2: Convert to fraction form
    104,147.99/143,724 = 56,401.19/x
  3. Step 3: Cross multiply
    104,147.99x = 143,724 × 56,401.19
  4. Step 4: Simplify right side
    104,147.99x = 8,106,203,912.94
  5. Step 5: Solve for x
    x = 8,106,203,912.94/104,147.99
  6. Step 6: Final answer
    x = 77,833.52

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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.