Home / 89,991.29-134,986.94-23,431.23

Finding the Fourth Proportional to 89,991.29, 134,986.94 and 23,431.23

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Solution

The fourth proportional to 89,991.29, 134,986.94 and 23,431.23 is: 35,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,991.29 : 134,986.94 = 23,431.23 : x
  2. Step 2: Convert to fraction form
    89,991.29/134,986.94 = 23,431.23/x
  3. Step 3: Cross multiply
    89,991.29x = 134,986.94 × 23,431.23
  4. Step 4: Simplify right side
    89,991.29x = 3,162,909,627.23
  5. Step 5: Solve for x
    x = 3,162,909,627.23/89,991.29
  6. Step 6: Final answer
    x = 35,146.84

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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.