Home / 136,361.37-188,178.89-75,943.65

Finding the Fourth Proportional to 136,361.37, 188,178.89 and 75,943.65

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Solution

The fourth proportional to 136,361.37, 188,178.89 and 75,943.65 is: 104,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,361.37 : 188,178.89 = 75,943.65 : x
  2. Step 2: Convert to fraction form
    136,361.37/188,178.89 = 75,943.65/x
  3. Step 3: Cross multiply
    136,361.37x = 188,178.89 × 75,943.65
  4. Step 4: Simplify right side
    136,361.37x = 14,290,991,759.55
  5. Step 5: Solve for x
    x = 14,290,991,759.55/136,361.37
  6. Step 6: Final answer
    x = 104,802.35

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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.