Home / 148,968.20-223,452.30-85,982.60

Finding the Fourth Proportional to 148,968.20, 223,452.30 and 85,982.60

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Solution

The fourth proportional to 148,968.20, 223,452.30 and 85,982.60 is: 128,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,968.20 : 223,452.30 = 85,982.60 : x
  2. Step 2: Convert to fraction form
    148,968.20/223,452.30 = 85,982.60/x
  3. Step 3: Cross multiply
    148,968.20x = 223,452.30 × 85,982.60
  4. Step 4: Simplify right side
    148,968.20x = 19,213,009,729.98
  5. Step 5: Solve for x
    x = 19,213,009,729.98/148,968.20
  6. Step 6: Final answer
    x = 128,973.90

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1.5x scale

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.