Home / 85,433.37-128,144.97-26,268.63

Finding the Fourth Proportional to 85,433.37, 128,144.97 and 26,268.63

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Solution

The fourth proportional to 85,433.37, 128,144.97 and 26,268.63 is: 39,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,433.37 : 128,144.97 = 26,268.63 : x
  2. Step 2: Convert to fraction form
    85,433.37/128,144.97 = 26,268.63/x
  3. Step 3: Cross multiply
    85,433.37x = 128,144.97 × 26,268.63
  4. Step 4: Simplify right side
    85,433.37x = 3,366,192,803.29
  5. Step 5: Solve for x
    x = 3,366,192,803.29/85,433.37
  6. Step 6: Final answer
    x = 39,401.38

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1.5x scale

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.