Home / 189,382.25-283,999.57-70,989.01

Finding the Fourth Proportional to 189,382.25, 283,999.57 and 70,989.01

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Solution

The fourth proportional to 189,382.25, 283,999.57 and 70,989.01 is: 106,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,382.25 : 283,999.57 = 70,989.01 : x
  2. Step 2: Convert to fraction form
    189,382.25/283,999.57 = 70,989.01/x
  3. Step 3: Cross multiply
    189,382.25x = 283,999.57 × 70,989.01
  4. Step 4: Simplify right side
    189,382.25x = 20,160,847,427.25
  5. Step 5: Solve for x
    x = 20,160,847,427.25/189,382.25
  6. Step 6: Final answer
    x = 106,455.84

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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.