Home / 189,146.28-261,001.26-104,247

Finding the Fourth Proportional to 189,146.28, 261,001.26 and 104,247

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Solution

The fourth proportional to 189,146.28, 261,001.26 and 104,247 is: 143,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,146.28 : 261,001.26 = 104,247 : x
  2. Step 2: Convert to fraction form
    189,146.28/261,001.26 = 104,247/x
  3. Step 3: Cross multiply
    189,146.28x = 261,001.26 × 104,247
  4. Step 4: Simplify right side
    189,146.28x = 27,208,598,351.22
  5. Step 5: Solve for x
    x = 27,208,598,351.22/189,146.28
  6. Step 6: Final answer
    x = 143,849.50

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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.