Home / 112,258.74-168,419.69-49,084.41

Finding the Fourth Proportional to 112,258.74, 168,419.69 and 49,084.41

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Solution

The fourth proportional to 112,258.74, 168,419.69 and 49,084.41 is: 73,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.74 : 168,419.69 = 49,084.41 : x
  2. Step 2: Convert to fraction form
    112,258.74/168,419.69 = 49,084.41/x
  3. Step 3: Cross multiply
    112,258.74x = 168,419.69 × 49,084.41
  4. Step 4: Simplify right side
    112,258.74x = 8,266,781,116.03
  5. Step 5: Solve for x
    x = 8,266,781,116.03/112,258.74
  6. Step 6: Final answer
    x = 73,640.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.