Home / 190,425.53-262,790.51-104,378.78

Finding the Fourth Proportional to 190,425.53, 262,790.51 and 104,378.78

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Solution

The fourth proportional to 190,425.53, 262,790.51 and 104,378.78 is: 144,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,425.53 : 262,790.51 = 104,378.78 : x
  2. Step 2: Convert to fraction form
    190,425.53/262,790.51 = 104,378.78/x
  3. Step 3: Cross multiply
    190,425.53x = 262,790.51 × 104,378.78
  4. Step 4: Simplify right side
    190,425.53x = 27,429,750,993.53
  5. Step 5: Solve for x
    x = 27,429,750,993.53/190,425.53
  6. Step 6: Final answer
    x = 144,044.51

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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.