Home / 218,178.24-301,087.77-122,684.10

Finding the Fourth Proportional to 218,178.24, 301,087.77 and 122,684.10

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Solution

The fourth proportional to 218,178.24, 301,087.77 and 122,684.10 is: 169,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,178.24 : 301,087.77 = 122,684.10 : x
  2. Step 2: Convert to fraction form
    218,178.24/301,087.77 = 122,684.10/x
  3. Step 3: Cross multiply
    218,178.24x = 301,087.77 × 122,684.10
  4. Step 4: Simplify right side
    218,178.24x = 36,938,680,578.02
  5. Step 5: Solve for x
    x = 36,938,680,578.02/218,178.24
  6. Step 6: Final answer
    x = 169,305.07

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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.