Home / 125,220.20-188,003.10-98,954.60

Finding the Fourth Proportional to 125,220.20, 188,003.10 and 98,954.60

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Solution

The fourth proportional to 125,220.20, 188,003.10 and 98,954.60 is: 148,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,220.20 : 188,003.10 = 98,954.60 : x
  2. Step 2: Convert to fraction form
    125,220.20/188,003.10 = 98,954.60/x
  3. Step 3: Cross multiply
    125,220.20x = 188,003.10 × 98,954.60
  4. Step 4: Simplify right side
    125,220.20x = 18,603,771,559.26
  5. Step 5: Solve for x
    x = 18,603,771,559.26/125,220.20
  6. Step 6: Final answer
    x = 148,568.45

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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.