Home / 105,738.48-145,922.31-57,995.06

Finding the Fourth Proportional to 105,738.48, 145,922.31 and 57,995.06

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Solution

The fourth proportional to 105,738.48, 145,922.31 and 57,995.06 is: 80,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,738.48 : 145,922.31 = 57,995.06 : x
  2. Step 2: Convert to fraction form
    105,738.48/145,922.31 = 57,995.06/x
  3. Step 3: Cross multiply
    105,738.48x = 145,922.31 × 57,995.06
  4. Step 4: Simplify right side
    105,738.48x = 8,462,772,394.18
  5. Step 5: Solve for x
    x = 8,462,772,394.18/105,738.48
  6. Step 6: Final answer
    x = 80,034.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.