Home / 189,395.12-261,362.76-104,510

Finding the Fourth Proportional to 189,395.12, 261,362.76 and 104,510

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Solution

The fourth proportional to 189,395.12, 261,362.76 and 104,510 is: 144,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,395.12 : 261,362.76 = 104,510 : x
  2. Step 2: Convert to fraction form
    189,395.12/261,362.76 = 104,510/x
  3. Step 3: Cross multiply
    189,395.12x = 261,362.76 × 104,510
  4. Step 4: Simplify right side
    189,395.12x = 27,315,022,047.60
  5. Step 5: Solve for x
    x = 27,315,022,047.60/189,395.12
  6. Step 6: Final answer
    x = 144,222.42

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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.