Home / 112,077.40-168,207.90-111,202.60

Finding the Fourth Proportional to 112,077.40, 168,207.90 and 111,202.60

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Solution

The fourth proportional to 112,077.40, 168,207.90 and 111,202.60 is: 166,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.40 : 168,207.90 = 111,202.60 : x
  2. Step 2: Convert to fraction form
    112,077.40/168,207.90 = 111,202.60/x
  3. Step 3: Cross multiply
    112,077.40x = 168,207.90 × 111,202.60
  4. Step 4: Simplify right side
    112,077.40x = 18,705,155,820.54
  5. Step 5: Solve for x
    x = 18,705,155,820.54/112,077.40
  6. Step 6: Final answer
    x = 166,894.98

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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.