Home / 85,496.69-128,245.07-22,316.64

Finding the Fourth Proportional to 85,496.69, 128,245.07 and 22,316.64

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Solution

The fourth proportional to 85,496.69, 128,245.07 and 22,316.64 is: 33,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,496.69 : 128,245.07 = 22,316.64 : x
  2. Step 2: Convert to fraction form
    85,496.69/128,245.07 = 22,316.64/x
  3. Step 3: Cross multiply
    85,496.69x = 128,245.07 × 22,316.64
  4. Step 4: Simplify right side
    85,496.69x = 2,861,998,994.53
  5. Step 5: Solve for x
    x = 2,861,998,994.53/85,496.69
  6. Step 6: Final answer
    x = 33,474.97

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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.