Home / 189,425.07-261,405.38-104,542.11

Finding the Fourth Proportional to 189,425.07, 261,405.38 and 104,542.11

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Solution

The fourth proportional to 189,425.07, 261,405.38 and 104,542.11 is: 144,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,425.07 : 261,405.38 = 104,542.11 : x
  2. Step 2: Convert to fraction form
    189,425.07/261,405.38 = 104,542.11/x
  3. Step 3: Cross multiply
    189,425.07x = 261,405.38 × 104,542.11
  4. Step 4: Simplify right side
    189,425.07x = 27,327,869,467.84
  5. Step 5: Solve for x
    x = 27,327,869,467.84/189,425.07
  6. Step 6: Final answer
    x = 144,267.44

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1.5x scale

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.