Home / 104,183.61-143,773.36-56,436.94

Finding the Fourth Proportional to 104,183.61, 143,773.36 and 56,436.94

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Solution

The fourth proportional to 104,183.61, 143,773.36 and 56,436.94 is: 77,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.61 : 143,773.36 = 56,436.94 : x
  2. Step 2: Convert to fraction form
    104,183.61/143,773.36 = 56,436.94/x
  3. Step 3: Cross multiply
    104,183.61x = 143,773.36 × 56,436.94
  4. Step 4: Simplify right side
    104,183.61x = 8,114,128,491.92
  5. Step 5: Solve for x
    x = 8,114,128,491.92/104,183.61
  6. Step 6: Final answer
    x = 77,882.97

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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.