Home / 190,367.42-262,494.68-129,969.77

Finding the Fourth Proportional to 190,367.42, 262,494.68 and 129,969.77

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Solution

The fourth proportional to 190,367.42, 262,494.68 and 129,969.77 is: 179,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,367.42 : 262,494.68 = 129,969.77 : x
  2. Step 2: Convert to fraction form
    190,367.42/262,494.68 = 129,969.77/x
  3. Step 3: Cross multiply
    190,367.42x = 262,494.68 × 129,969.77
  4. Step 4: Simplify right side
    190,367.42x = 34,116,371,223.50
  5. Step 5: Solve for x
    x = 34,116,371,223.50/190,367.42
  6. Step 6: Final answer
    x = 179,213.29

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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.