Home / 205,741.74-283,980.66-119,717.30

Finding the Fourth Proportional to 205,741.74, 283,980.66 and 119,717.30

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Solution

The fourth proportional to 205,741.74, 283,980.66 and 119,717.30 is: 165,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,741.74 : 283,980.66 = 119,717.30 : x
  2. Step 2: Convert to fraction form
    205,741.74/283,980.66 = 119,717.30/x
  3. Step 3: Cross multiply
    205,741.74x = 283,980.66 × 119,717.30
  4. Step 4: Simplify right side
    205,741.74x = 33,997,397,867.42
  5. Step 5: Solve for x
    x = 33,997,397,867.42/205,741.74
  6. Step 6: Final answer
    x = 165,243.08

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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.