Home / 103,099.14-142,234.29-67,276.26

Finding the Fourth Proportional to 103,099.14, 142,234.29 and 67,276.26

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Solution

The fourth proportional to 103,099.14, 142,234.29 and 67,276.26 is: 92,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,099.14 : 142,234.29 = 67,276.26 : x
  2. Step 2: Convert to fraction form
    103,099.14/142,234.29 = 67,276.26/x
  3. Step 3: Cross multiply
    103,099.14x = 142,234.29 × 67,276.26
  4. Step 4: Simplify right side
    103,099.14x = 9,568,991,074.96
  5. Step 5: Solve for x
    x = 9,568,991,074.96/103,099.14
  6. Step 6: Final answer
    x = 92,813.49

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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.