Home / 104,789.80-144,609.94-57,043.51

Finding the Fourth Proportional to 104,789.80, 144,609.94 and 57,043.51

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Solution

The fourth proportional to 104,789.80, 144,609.94 and 57,043.51 is: 78,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,789.80 : 144,609.94 = 57,043.51 : x
  2. Step 2: Convert to fraction form
    104,789.80/144,609.94 = 57,043.51/x
  3. Step 3: Cross multiply
    104,789.80x = 144,609.94 × 57,043.51
  4. Step 4: Simplify right side
    104,789.80x = 8,249,057,550.22
  5. Step 5: Solve for x
    x = 8,249,057,550.22/104,789.80
  6. Step 6: Final answer
    x = 78,720.05

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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.