Home / 268,043.04-401,975.36-108,077.66

Finding the Fourth Proportional to 268,043.04, 401,975.36 and 108,077.66

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Solution

The fourth proportional to 268,043.04, 401,975.36 and 108,077.66 is: 162,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,043.04 : 401,975.36 = 108,077.66 : x
  2. Step 2: Convert to fraction form
    268,043.04/401,975.36 = 108,077.66/x
  3. Step 3: Cross multiply
    268,043.04x = 401,975.36 × 108,077.66
  4. Step 4: Simplify right side
    268,043.04x = 43,444,555,876.87
  5. Step 5: Solve for x
    x = 43,444,555,876.87/268,043.04
  6. Step 6: Final answer
    x = 162,080.52

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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.