Home / 189,850.12-261,970.26-104,955.64

Finding the Fourth Proportional to 189,850.12, 261,970.26 and 104,955.64

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Solution

The fourth proportional to 189,850.12, 261,970.26 and 104,955.64 is: 144,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,850.12 : 261,970.26 = 104,955.64 : x
  2. Step 2: Convert to fraction form
    189,850.12/261,970.26 = 104,955.64/x
  3. Step 3: Cross multiply
    189,850.12x = 261,970.26 × 104,955.64
  4. Step 4: Simplify right side
    189,850.12x = 27,495,256,299.27
  5. Step 5: Solve for x
    x = 27,495,256,299.27/189,850.12
  6. Step 6: Final answer
    x = 144,826.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.