Home / 104,951.79-144,834.93-57,205.05

Finding the Fourth Proportional to 104,951.79, 144,834.93 and 57,205.05

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Solution

The fourth proportional to 104,951.79, 144,834.93 and 57,205.05 is: 78,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,951.79 : 144,834.93 = 57,205.05 : x
  2. Step 2: Convert to fraction form
    104,951.79/144,834.93 = 57,205.05/x
  3. Step 3: Cross multiply
    104,951.79x = 144,834.93 × 57,205.05
  4. Step 4: Simplify right side
    104,951.79x = 8,285,289,412.40
  5. Step 5: Solve for x
    x = 8,285,289,412.40/104,951.79
  6. Step 6: Final answer
    x = 78,943.76

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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.