Home / 216,105.93-324,088.80-71,973.39

Finding the Fourth Proportional to 216,105.93, 324,088.80 and 71,973.39

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Solution

The fourth proportional to 216,105.93, 324,088.80 and 71,973.39 is: 107,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,105.93 : 324,088.80 = 71,973.39 : x
  2. Step 2: Convert to fraction form
    216,105.93/324,088.80 = 71,973.39/x
  3. Step 3: Cross multiply
    216,105.93x = 324,088.80 × 71,973.39
  4. Step 4: Simplify right side
    216,105.93x = 23,325,769,597.03
  5. Step 5: Solve for x
    x = 23,325,769,597.03/216,105.93
  6. Step 6: Final answer
    x = 107,936.74

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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.