Home / 127,873.02-191,811.33-48,991.26

Finding the Fourth Proportional to 127,873.02, 191,811.33 and 48,991.26

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Solution

The fourth proportional to 127,873.02, 191,811.33 and 48,991.26 is: 73,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,873.02 : 191,811.33 = 48,991.26 : x
  2. Step 2: Convert to fraction form
    127,873.02/191,811.33 = 48,991.26/x
  3. Step 3: Cross multiply
    127,873.02x = 191,811.33 × 48,991.26
  4. Step 4: Simplify right side
    127,873.02x = 9,397,078,738.98
  5. Step 5: Solve for x
    x = 9,397,078,738.98/127,873.02
  6. Step 6: Final answer
    x = 73,487.58

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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.