Home / 103,235.96-142,485.08-67,363.70

Finding the Fourth Proportional to 103,235.96, 142,485.08 and 67,363.70

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Solution

The fourth proportional to 103,235.96, 142,485.08 and 67,363.70 is: 92,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,235.96 : 142,485.08 = 67,363.70 : x
  2. Step 2: Convert to fraction form
    103,235.96/142,485.08 = 67,363.70/x
  3. Step 3: Cross multiply
    103,235.96x = 142,485.08 × 67,363.70
  4. Step 4: Simplify right side
    103,235.96x = 9,598,322,183.60
  5. Step 5: Solve for x
    x = 9,598,322,183.60/103,235.96
  6. Step 6: Final answer
    x = 92,974.60

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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.