Home / 99,816.21-149,599.67-49,910.58

Finding the Fourth Proportional to 99,816.21, 149,599.67 and 49,910.58

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Solution

The fourth proportional to 99,816.21, 149,599.67 and 49,910.58 is: 74,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,816.21 : 149,599.67 = 49,910.58 : x
  2. Step 2: Convert to fraction form
    99,816.21/149,599.67 = 49,910.58/x
  3. Step 3: Cross multiply
    99,816.21x = 149,599.67 × 49,910.58
  4. Step 4: Simplify right side
    99,816.21x = 7,466,606,047.96
  5. Step 5: Solve for x
    x = 7,466,606,047.96/99,816.21
  6. Step 6: Final answer
    x = 74,803.54

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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.