Home / 205,112.16-283,080.12-119,052.72

Finding the Fourth Proportional to 205,112.16, 283,080.12 and 119,052.72

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Solution

The fourth proportional to 205,112.16, 283,080.12 and 119,052.72 is: 164,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,112.16 : 283,080.12 = 119,052.72 : x
  2. Step 2: Convert to fraction form
    205,112.16/283,080.12 = 119,052.72/x
  3. Step 3: Cross multiply
    205,112.16x = 283,080.12 × 119,052.72
  4. Step 4: Simplify right side
    205,112.16x = 33,701,458,263.93
  5. Step 5: Solve for x
    x = 33,701,458,263.93/205,112.16
  6. Step 6: Final answer
    x = 164,307.46

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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.