Home / 104,620.24-144,378.75-56,876.86

Finding the Fourth Proportional to 104,620.24, 144,378.75 and 56,876.86

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Solution

The fourth proportional to 104,620.24, 144,378.75 and 56,876.86 is: 78,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.24 : 144,378.75 = 56,876.86 : x
  2. Step 2: Convert to fraction form
    104,620.24/144,378.75 = 56,876.86/x
  3. Step 3: Cross multiply
    104,620.24x = 144,378.75 × 56,876.86
  4. Step 4: Simplify right side
    104,620.24x = 8,211,809,950.73
  5. Step 5: Solve for x
    x = 8,211,809,950.73/104,620.24
  6. Step 6: Final answer
    x = 78,491.60

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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.