Home / 105,960.69-158,905.94-42,764.49

Finding the Fourth Proportional to 105,960.69, 158,905.94 and 42,764.49

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Solution

The fourth proportional to 105,960.69, 158,905.94 and 42,764.49 is: 64,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,960.69 : 158,905.94 = 42,764.49 : x
  2. Step 2: Convert to fraction form
    105,960.69/158,905.94 = 42,764.49/x
  3. Step 3: Cross multiply
    105,960.69x = 158,905.94 × 42,764.49
  4. Step 4: Simplify right side
    105,960.69x = 6,795,531,268.25
  5. Step 5: Solve for x
    x = 6,795,531,268.25/105,960.69
  6. Step 6: Final answer
    x = 64,132.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.