Home / 212,724.09-293,557.77-117,230.90

Finding the Fourth Proportional to 212,724.09, 293,557.77 and 117,230.90

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Solution

The fourth proportional to 212,724.09, 293,557.77 and 117,230.90 is: 161,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,724.09 : 293,557.77 = 117,230.90 : x
  2. Step 2: Convert to fraction form
    212,724.09/293,557.77 = 117,230.90/x
  3. Step 3: Cross multiply
    212,724.09x = 293,557.77 × 117,230.90
  4. Step 4: Simplify right side
    212,724.09x = 34,414,040,111.30
  5. Step 5: Solve for x
    x = 34,414,040,111.30/212,724.09
  6. Step 6: Final answer
    x = 161,777.82

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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.