Home / 190,142.80-262,400.18-104,100.35

Finding the Fourth Proportional to 190,142.80, 262,400.18 and 104,100.35

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Solution

The fourth proportional to 190,142.80, 262,400.18 and 104,100.35 is: 143,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,142.80 : 262,400.18 = 104,100.35 : x
  2. Step 2: Convert to fraction form
    190,142.80/262,400.18 = 104,100.35/x
  3. Step 3: Cross multiply
    190,142.80x = 262,400.18 × 104,100.35
  4. Step 4: Simplify right side
    190,142.80x = 27,315,950,057.56
  5. Step 5: Solve for x
    x = 27,315,950,057.56/190,142.80
  6. Step 6: Final answer
    x = 143,660.19

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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.