Home / 112,461.73-155,194.29-61,474.59

Finding the Fourth Proportional to 112,461.73, 155,194.29 and 61,474.59

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Solution

The fourth proportional to 112,461.73, 155,194.29 and 61,474.59 is: 84,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,461.73 : 155,194.29 = 61,474.59 : x
  2. Step 2: Convert to fraction form
    112,461.73/155,194.29 = 61,474.59/x
  3. Step 3: Cross multiply
    112,461.73x = 155,194.29 × 61,474.59
  4. Step 4: Simplify right side
    112,461.73x = 9,540,505,348.09
  5. Step 5: Solve for x
    x = 9,540,505,348.09/112,461.73
  6. Step 6: Final answer
    x = 84,833.35

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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.