Home / 104,789.67-144,609.76-57,043.37

Finding the Fourth Proportional to 104,789.67, 144,609.76 and 57,043.37

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Solution

The fourth proportional to 104,789.67, 144,609.76 and 57,043.37 is: 78,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,789.67 : 144,609.76 = 57,043.37 : x
  2. Step 2: Convert to fraction form
    104,789.67/144,609.76 = 57,043.37/x
  3. Step 3: Cross multiply
    104,789.67x = 144,609.76 × 57,043.37
  4. Step 4: Simplify right side
    104,789.67x = 8,249,028,121.60
  5. Step 5: Solve for x
    x = 8,249,028,121.60/104,789.67
  6. Step 6: Final answer
    x = 78,719.86

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1.5x scale

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.