Home / 104,929.70-144,799.31-57,182.09

Finding the Fourth Proportional to 104,929.70, 144,799.31 and 57,182.09

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Solution

The fourth proportional to 104,929.70, 144,799.31 and 57,182.09 is: 78,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.70 : 144,799.31 = 57,182.09 : x
  2. Step 2: Convert to fraction form
    104,929.70/144,799.31 = 57,182.09/x
  3. Step 3: Cross multiply
    104,929.70x = 144,799.31 × 57,182.09
  4. Step 4: Simplify right side
    104,929.70x = 8,279,926,595.32
  5. Step 5: Solve for x
    x = 8,279,926,595.32/104,929.70
  6. Step 6: Final answer
    x = 78,909.28

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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.