Home / 210,179.09-290,044.73-114,687.38

Finding the Fourth Proportional to 210,179.09, 290,044.73 and 114,687.38

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Solution

The fourth proportional to 210,179.09, 290,044.73 and 114,687.38 is: 158,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,179.09 : 290,044.73 = 114,687.38 : x
  2. Step 2: Convert to fraction form
    210,179.09/290,044.73 = 114,687.38/x
  3. Step 3: Cross multiply
    210,179.09x = 290,044.73 × 114,687.38
  4. Step 4: Simplify right side
    210,179.09x = 33,264,468,142.85
  5. Step 5: Solve for x
    x = 33,264,468,142.85/210,179.09
  6. Step 6: Final answer
    x = 158,267.26

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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.