Home / 105,832.09-158,796.75-45,878.86

Finding the Fourth Proportional to 105,832.09, 158,796.75 and 45,878.86

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Solution

The fourth proportional to 105,832.09, 158,796.75 and 45,878.86 is: 68,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,832.09 : 158,796.75 = 45,878.86 : x
  2. Step 2: Convert to fraction form
    105,832.09/158,796.75 = 45,878.86/x
  3. Step 3: Cross multiply
    105,832.09x = 158,796.75 × 45,878.86
  4. Step 4: Simplify right side
    105,832.09x = 7,285,413,861.71
  5. Step 5: Solve for x
    x = 7,285,413,861.71/105,832.09
  6. Step 6: Final answer
    x = 68,839.36

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1.5x scale

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.