Home / 189,340.64-283,740.30-139,025.97

Finding the Fourth Proportional to 189,340.64, 283,740.30 and 139,025.97

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Solution

The fourth proportional to 189,340.64, 283,740.30 and 139,025.97 is: 208,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,340.64 : 283,740.30 = 139,025.97 : x
  2. Step 2: Convert to fraction form
    189,340.64/283,740.30 = 139,025.97/x
  3. Step 3: Cross multiply
    189,340.64x = 283,740.30 × 139,025.97
  4. Step 4: Simplify right side
    189,340.64x = 39,447,270,435.59
  5. Step 5: Solve for x
    x = 39,447,270,435.59/189,340.64
  6. Step 6: Final answer
    x = 208,340.22

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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.