Home / 125,518.56-173,214.72-68,928.80

Finding the Fourth Proportional to 125,518.56, 173,214.72 and 68,928.80

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Solution

The fourth proportional to 125,518.56, 173,214.72 and 68,928.80 is: 95,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,518.56 : 173,214.72 = 68,928.80 : x
  2. Step 2: Convert to fraction form
    125,518.56/173,214.72 = 68,928.80/x
  3. Step 3: Cross multiply
    125,518.56x = 173,214.72 × 68,928.80
  4. Step 4: Simplify right side
    125,518.56x = 11,939,482,791.94
  5. Step 5: Solve for x
    x = 11,939,482,791.94/125,518.56
  6. Step 6: Final answer
    x = 95,121.25

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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.