Home / 105,040.74-144,956.19-57,294.06

Finding the Fourth Proportional to 105,040.74, 144,956.19 and 57,294.06

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Solution

The fourth proportional to 105,040.74, 144,956.19 and 57,294.06 is: 79,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.74 : 144,956.19 = 57,294.06 : x
  2. Step 2: Convert to fraction form
    105,040.74/144,956.19 = 57,294.06/x
  3. Step 3: Cross multiply
    105,040.74x = 144,956.19 × 57,294.06
  4. Step 4: Simplify right side
    105,040.74x = 8,305,128,647.23
  5. Step 5: Solve for x
    x = 8,305,128,647.23/105,040.74
  6. Step 6: Final answer
    x = 79,065.79

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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.