Home / 190,175.99-262,446.89-104,138.60

Finding the Fourth Proportional to 190,175.99, 262,446.89 and 104,138.60

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Solution

The fourth proportional to 190,175.99, 262,446.89 and 104,138.60 is: 143,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,175.99 : 262,446.89 = 104,138.60 : x
  2. Step 2: Convert to fraction form
    190,175.99/262,446.89 = 104,138.60/x
  3. Step 3: Cross multiply
    190,175.99x = 262,446.89 × 104,138.60
  4. Step 4: Simplify right side
    190,175.99x = 27,330,849,866.03
  5. Step 5: Solve for x
    x = 27,330,849,866.03/190,175.99
  6. Step 6: Final answer
    x = 143,713.47

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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.