Home / 104,474.78-144,175.73-56,728.11

Finding the Fourth Proportional to 104,474.78, 144,175.73 and 56,728.11

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Solution

The fourth proportional to 104,474.78, 144,175.73 and 56,728.11 is: 78,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,474.78 : 144,175.73 = 56,728.11 : x
  2. Step 2: Convert to fraction form
    104,474.78/144,175.73 = 56,728.11/x
  3. Step 3: Cross multiply
    104,474.78x = 144,175.73 × 56,728.11
  4. Step 4: Simplify right side
    104,474.78x = 8,178,816,670.77
  5. Step 5: Solve for x
    x = 8,178,816,670.77/104,474.78
  6. Step 6: Final answer
    x = 78,285.09

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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.