Home / 99,664.50-149,559.01-40,500.15

Finding the Fourth Proportional to 99,664.50, 149,559.01 and 40,500.15

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Solution

The fourth proportional to 99,664.50, 149,559.01 and 40,500.15 is: 60,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664.50 : 149,559.01 = 40,500.15 : x
  2. Step 2: Convert to fraction form
    99,664.50/149,559.01 = 40,500.15/x
  3. Step 3: Cross multiply
    99,664.50x = 149,559.01 × 40,500.15
  4. Step 4: Simplify right side
    99,664.50x = 6,057,162,338.85
  5. Step 5: Solve for x
    x = 6,057,162,338.85/99,664.50
  6. Step 6: Final answer
    x = 60,775.53

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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.