Home / 76,268.36-114,356.34-34,140.57

Finding the Fourth Proportional to 76,268.36, 114,356.34 and 34,140.57

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Solution

The fourth proportional to 76,268.36, 114,356.34 and 34,140.57 is: 51,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.36 : 114,356.34 = 34,140.57 : x
  2. Step 2: Convert to fraction form
    76,268.36/114,356.34 = 34,140.57/x
  3. Step 3: Cross multiply
    76,268.36x = 114,356.34 × 34,140.57
  4. Step 4: Simplify right side
    76,268.36x = 3,904,190,630.71
  5. Step 5: Solve for x
    x = 3,904,190,630.71/76,268.36
  6. Step 6: Final answer
    x = 51,190.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.