Home / 104,757.63-144,562.75-57,009.95

Finding the Fourth Proportional to 104,757.63, 144,562.75 and 57,009.95

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Solution

The fourth proportional to 104,757.63, 144,562.75 and 57,009.95 is: 78,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,757.63 : 144,562.75 = 57,009.95 : x
  2. Step 2: Convert to fraction form
    104,757.63/144,562.75 = 57,009.95/x
  3. Step 3: Cross multiply
    104,757.63x = 144,562.75 × 57,009.95
  4. Step 4: Simplify right side
    104,757.63x = 8,241,514,930.48
  5. Step 5: Solve for x
    x = 8,241,514,930.48/104,757.63
  6. Step 6: Final answer
    x = 78,672.22

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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.