Home / 105,104.24-145,046.93-57,360.66

Finding the Fourth Proportional to 105,104.24, 145,046.93 and 57,360.66

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Solution

The fourth proportional to 105,104.24, 145,046.93 and 57,360.66 is: 79,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,104.24 : 145,046.93 = 57,360.66 : x
  2. Step 2: Convert to fraction form
    105,104.24/145,046.93 = 57,360.66/x
  3. Step 3: Cross multiply
    105,104.24x = 145,046.93 × 57,360.66
  4. Step 4: Simplify right side
    105,104.24x = 8,319,987,348.97
  5. Step 5: Solve for x
    x = 8,319,987,348.97/105,104.24
  6. Step 6: Final answer
    x = 79,159.39

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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.