Home / 210,278.98-290,180.73-114,785.38

Finding the Fourth Proportional to 210,278.98, 290,180.73 and 114,785.38

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Solution

The fourth proportional to 210,278.98, 290,180.73 and 114,785.38 is: 158,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,278.98 : 290,180.73 = 114,785.38 : x
  2. Step 2: Convert to fraction form
    210,278.98/290,180.73 = 114,785.38/x
  3. Step 3: Cross multiply
    210,278.98x = 290,180.73 × 114,785.38
  4. Step 4: Simplify right side
    210,278.98x = 33,308,505,361.73
  5. Step 5: Solve for x
    x = 33,308,505,361.73/210,278.98
  6. Step 6: Final answer
    x = 158,401.50

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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.