Home / 210,414.12-290,366.98-114,921.18

Finding the Fourth Proportional to 210,414.12, 290,366.98 and 114,921.18

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Solution

The fourth proportional to 210,414.12, 290,366.98 and 114,921.18 is: 158,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,414.12 : 290,366.98 = 114,921.18 : x
  2. Step 2: Convert to fraction form
    210,414.12/290,366.98 = 114,921.18/x
  3. Step 3: Cross multiply
    210,414.12x = 290,366.98 × 114,921.18
  4. Step 4: Simplify right side
    210,414.12x = 33,369,315,974.64
  5. Step 5: Solve for x
    x = 33,369,315,974.64/210,414.12
  6. Step 6: Final answer
    x = 158,588.77

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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.