Home / 104,929.14-144,798-57,181.47

Finding the Fourth Proportional to 104,929.14, 144,798 and 57,181.47

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Solution

The fourth proportional to 104,929.14, 144,798 and 57,181.47 is: 78,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.14 : 144,798 = 57,181.47 : x
  2. Step 2: Convert to fraction form
    104,929.14/144,798 = 57,181.47/x
  3. Step 3: Cross multiply
    104,929.14x = 144,798 × 57,181.47
  4. Step 4: Simplify right side
    104,929.14x = 8,279,762,493.06
  5. Step 5: Solve for x
    x = 8,279,762,493.06/104,929.14
  6. Step 6: Final answer
    x = 78,908.13

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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.