Home / 199,150.77-274,702.47-118,518.09

Finding the Fourth Proportional to 199,150.77, 274,702.47 and 118,518.09

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Solution

The fourth proportional to 199,150.77, 274,702.47 and 118,518.09 is: 163,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,150.77 : 274,702.47 = 118,518.09 : x
  2. Step 2: Convert to fraction form
    199,150.77/274,702.47 = 118,518.09/x
  3. Step 3: Cross multiply
    199,150.77x = 274,702.47 × 118,518.09
  4. Step 4: Simplify right side
    199,150.77x = 32,557,212,062.68
  5. Step 5: Solve for x
    x = 32,557,212,062.68/199,150.77
  6. Step 6: Final answer
    x = 163,480.22

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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.