Home / 149,500.46-206,287.08-89,069.60

Finding the Fourth Proportional to 149,500.46, 206,287.08 and 89,069.60

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Solution

The fourth proportional to 149,500.46, 206,287.08 and 89,069.60 is: 122,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,500.46 : 206,287.08 = 89,069.60 : x
  2. Step 2: Convert to fraction form
    149,500.46/206,287.08 = 89,069.60/x
  3. Step 3: Cross multiply
    149,500.46x = 206,287.08 × 89,069.60
  4. Step 4: Simplify right side
    149,500.46x = 18,373,907,700.77
  5. Step 5: Solve for x
    x = 18,373,907,700.77/149,500.46
  6. Step 6: Final answer
    x = 122,902.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.