Home / 103,268-142,511.40-60,246.32

Finding the Fourth Proportional to 103,268, 142,511.40 and 60,246.32

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Solution

The fourth proportional to 103,268, 142,511.40 and 60,246.32 is: 83,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,268 : 142,511.40 = 60,246.32 : x
  2. Step 2: Convert to fraction form
    103,268/142,511.40 = 60,246.32/x
  3. Step 3: Cross multiply
    103,268x = 142,511.40 × 60,246.32
  4. Step 4: Simplify right side
    103,268x = 8,585,787,408.05
  5. Step 5: Solve for x
    x = 8,585,787,408.05/103,268
  6. Step 6: Final answer
    x = 83,140.83

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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.