Home / 104,932.85-144,803.11-57,185.17

Finding the Fourth Proportional to 104,932.85, 144,803.11 and 57,185.17

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Solution

The fourth proportional to 104,932.85, 144,803.11 and 57,185.17 is: 78,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,932.85 : 144,803.11 = 57,185.17 : x
  2. Step 2: Convert to fraction form
    104,932.85/144,803.11 = 57,185.17/x
  3. Step 3: Cross multiply
    104,932.85x = 144,803.11 × 57,185.17
  4. Step 4: Simplify right side
    104,932.85x = 8,280,590,878.65
  5. Step 5: Solve for x
    x = 8,280,590,878.65/104,932.85
  6. Step 6: Final answer
    x = 78,913.24

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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.