Home / 86,138.02-118,843.74-50,302.18

Finding the Fourth Proportional to 86,138.02, 118,843.74 and 50,302.18

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Solution

The fourth proportional to 86,138.02, 118,843.74 and 50,302.18 is: 69,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,138.02 : 118,843.74 = 50,302.18 : x
  2. Step 2: Convert to fraction form
    86,138.02/118,843.74 = 50,302.18/x
  3. Step 3: Cross multiply
    86,138.02x = 118,843.74 × 50,302.18
  4. Step 4: Simplify right side
    86,138.02x = 5,978,099,201.35
  5. Step 5: Solve for x
    x = 5,978,099,201.35/86,138.02
  6. Step 6: Final answer
    x = 69,401.40

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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.