Home / 189,440.05-261,426.72-104,556.50

Finding the Fourth Proportional to 189,440.05, 261,426.72 and 104,556.50

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Solution

The fourth proportional to 189,440.05, 261,426.72 and 104,556.50 is: 144,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,440.05 : 261,426.72 = 104,556.50 : x
  2. Step 2: Convert to fraction form
    189,440.05/261,426.72 = 104,556.50/x
  3. Step 3: Cross multiply
    189,440.05x = 261,426.72 × 104,556.50
  4. Step 4: Simplify right side
    189,440.05x = 27,333,862,849.68
  5. Step 5: Solve for x
    x = 27,333,862,849.68/189,440.05
  6. Step 6: Final answer
    x = 144,287.67

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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.