Home / 109,091.21-150,544.93-61,343.54

Finding the Fourth Proportional to 109,091.21, 150,544.93 and 61,343.54

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Solution

The fourth proportional to 109,091.21, 150,544.93 and 61,343.54 is: 84,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,091.21 : 150,544.93 = 61,343.54 : x
  2. Step 2: Convert to fraction form
    109,091.21/150,544.93 = 61,343.54/x
  3. Step 3: Cross multiply
    109,091.21x = 150,544.93 × 61,343.54
  4. Step 4: Simplify right side
    109,091.21x = 9,234,957,875.81
  5. Step 5: Solve for x
    x = 9,234,957,875.81/109,091.21
  6. Step 6: Final answer
    x = 84,653.55

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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.