Home / 149,245.30-223,539.90-89,977.60

Finding the Fourth Proportional to 149,245.30, 223,539.90 and 89,977.60

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Solution

The fourth proportional to 149,245.30, 223,539.90 and 89,977.60 is: 134,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.30 : 223,539.90 = 89,977.60 : x
  2. Step 2: Convert to fraction form
    149,245.30/223,539.90 = 89,977.60/x
  3. Step 3: Cross multiply
    149,245.30x = 223,539.90 × 89,977.60
  4. Step 4: Simplify right side
    149,245.30x = 20,113,583,706.24
  5. Step 5: Solve for x
    x = 20,113,583,706.24/149,245.30
  6. Step 6: Final answer
    x = 134,768.62

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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.