Home / 121,257.53-167,339.57-70,270.37

Finding the Fourth Proportional to 121,257.53, 167,339.57 and 70,270.37

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Solution

The fourth proportional to 121,257.53, 167,339.57 and 70,270.37 is: 96,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,257.53 : 167,339.57 = 70,270.37 : x
  2. Step 2: Convert to fraction form
    121,257.53/167,339.57 = 70,270.37/x
  3. Step 3: Cross multiply
    121,257.53x = 167,339.57 × 70,270.37
  4. Step 4: Simplify right side
    121,257.53x = 11,759,012,311.49
  5. Step 5: Solve for x
    x = 11,759,012,311.49/121,257.53
  6. Step 6: Final answer
    x = 96,975.53

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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.