Home / 122,234.49-168,683.90-71,243.37

Finding the Fourth Proportional to 122,234.49, 168,683.90 and 71,243.37

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Solution

The fourth proportional to 122,234.49, 168,683.90 and 71,243.37 is: 98,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,234.49 : 168,683.90 = 71,243.37 : x
  2. Step 2: Convert to fraction form
    122,234.49/168,683.90 = 71,243.37/x
  3. Step 3: Cross multiply
    122,234.49x = 168,683.90 × 71,243.37
  4. Step 4: Simplify right side
    122,234.49x = 12,017,609,144.53
  5. Step 5: Solve for x
    x = 12,017,609,144.53/122,234.49
  6. Step 6: Final answer
    x = 98,316.02

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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.