Home / 190,438.62-262,797.75-104,395.74

Finding the Fourth Proportional to 190,438.62, 262,797.75 and 104,395.74

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Solution

The fourth proportional to 190,438.62, 262,797.75 and 104,395.74 is: 144,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,438.62 : 262,797.75 = 104,395.74 : x
  2. Step 2: Convert to fraction form
    190,438.62/262,797.75 = 104,395.74/x
  3. Step 3: Cross multiply
    190,438.62x = 262,797.75 × 104,395.74
  4. Step 4: Simplify right side
    190,438.62x = 27,434,965,581.59
  5. Step 5: Solve for x
    x = 27,434,965,581.59/190,438.62
  6. Step 6: Final answer
    x = 144,061.98

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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.