Home / 99,688.37-149,557.77-33,128.84

Finding the Fourth Proportional to 99,688.37, 149,557.77 and 33,128.84

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Solution

The fourth proportional to 99,688.37, 149,557.77 and 33,128.84 is: 49,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,688.37 : 149,557.77 = 33,128.84 : x
  2. Step 2: Convert to fraction form
    99,688.37/149,557.77 = 33,128.84/x
  3. Step 3: Cross multiply
    99,688.37x = 149,557.77 × 33,128.84
  4. Step 4: Simplify right side
    99,688.37x = 4,954,675,433.09
  5. Step 5: Solve for x
    x = 4,954,675,433.09/99,688.37
  6. Step 6: Final answer
    x = 49,701.64

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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.