Home / 189,153.36-261,033.39-104,273.46

Finding the Fourth Proportional to 189,153.36, 261,033.39 and 104,273.46

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Solution

The fourth proportional to 189,153.36, 261,033.39 and 104,273.46 is: 143,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,153.36 : 261,033.39 = 104,273.46 : x
  2. Step 2: Convert to fraction form
    189,153.36/261,033.39 = 104,273.46/x
  3. Step 3: Cross multiply
    189,153.36x = 261,033.39 × 104,273.46
  4. Step 4: Simplify right side
    189,153.36x = 27,218,854,750.83
  5. Step 5: Solve for x
    x = 27,218,854,750.83/189,153.36
  6. Step 6: Final answer
    x = 143,898.34

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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.