Home / 212,895.88-293,822.94-122,280.20

Finding the Fourth Proportional to 212,895.88, 293,822.94 and 122,280.20

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Solution

The fourth proportional to 212,895.88, 293,822.94 and 122,280.20 is: 168,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,895.88 : 293,822.94 = 122,280.20 : x
  2. Step 2: Convert to fraction form
    212,895.88/293,822.94 = 122,280.20/x
  3. Step 3: Cross multiply
    212,895.88x = 293,822.94 × 122,280.20
  4. Step 4: Simplify right side
    212,895.88x = 35,928,727,867.79
  5. Step 5: Solve for x
    x = 35,928,727,867.79/212,895.88
  6. Step 6: Final answer
    x = 168,761.97

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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.