Home / 190,515.36-262,900.26-104,457.72

Finding the Fourth Proportional to 190,515.36, 262,900.26 and 104,457.72

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Solution

The fourth proportional to 190,515.36, 262,900.26 and 104,457.72 is: 144,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,515.36 : 262,900.26 = 104,457.72 : x
  2. Step 2: Convert to fraction form
    190,515.36/262,900.26 = 104,457.72/x
  3. Step 3: Cross multiply
    190,515.36x = 262,900.26 × 104,457.72
  4. Step 4: Simplify right side
    190,515.36x = 27,461,961,747.01
  5. Step 5: Solve for x
    x = 27,461,961,747.01/190,515.36
  6. Step 6: Final answer
    x = 144,145.66

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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.