Home / 131,734.10-181,796.60-80,033.60

Finding the Fourth Proportional to 131,734.10, 181,796.60 and 80,033.60

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Solution

The fourth proportional to 131,734.10, 181,796.60 and 80,033.60 is: 110,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,734.10 : 181,796.60 = 80,033.60 : x
  2. Step 2: Convert to fraction form
    131,734.10/181,796.60 = 80,033.60/x
  3. Step 3: Cross multiply
    131,734.10x = 181,796.60 × 80,033.60
  4. Step 4: Simplify right side
    131,734.10x = 14,549,835,965.59
  5. Step 5: Solve for x
    x = 14,549,835,965.59/131,734.10
  6. Step 6: Final answer
    x = 110,448.52

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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.