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Finding the Fourth Proportional to 103,316.36, 154,973.46 and 33,195.74

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Solution

The fourth proportional to 103,316.36, 154,973.46 and 33,195.74 is: 49,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,316.36 : 154,973.46 = 33,195.74 : x
  2. Step 2: Convert to fraction form
    103,316.36/154,973.46 = 33,195.74/x
  3. Step 3: Cross multiply
    103,316.36x = 154,973.46 × 33,195.74
  4. Step 4: Simplify right side
    103,316.36x = 5,144,458,685.06
  5. Step 5: Solve for x
    x = 5,144,458,685.06/103,316.36
  6. Step 6: Final answer
    x = 49,793.26

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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.