Home / 205,541.64-283,603.14-120,636.36

Finding the Fourth Proportional to 205,541.64, 283,603.14 and 120,636.36

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Solution

The fourth proportional to 205,541.64, 283,603.14 and 120,636.36 is: 166,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,541.64 : 283,603.14 = 120,636.36 : x
  2. Step 2: Convert to fraction form
    205,541.64/283,603.14 = 120,636.36/x
  3. Step 3: Cross multiply
    205,541.64x = 283,603.14 × 120,636.36
  4. Step 4: Simplify right side
    205,541.64x = 34,212,850,494.17
  5. Step 5: Solve for x
    x = 34,212,850,494.17/205,541.64
  6. Step 6: Final answer
    x = 166,452.16

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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.