Home / 104,201.36-143,797.76-56,455.92

Finding the Fourth Proportional to 104,201.36, 143,797.76 and 56,455.92

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Solution

The fourth proportional to 104,201.36, 143,797.76 and 56,455.92 is: 77,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,201.36 : 143,797.76 = 56,455.92 : x
  2. Step 2: Convert to fraction form
    104,201.36/143,797.76 = 56,455.92/x
  3. Step 3: Cross multiply
    104,201.36x = 143,797.76 × 56,455.92
  4. Step 4: Simplify right side
    104,201.36x = 8,118,234,834.74
  5. Step 5: Solve for x
    x = 8,118,234,834.74/104,201.36
  6. Step 6: Final answer
    x = 77,909.11

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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.