Home / 109,236.08-150,744.12-61,489.28

Finding the Fourth Proportional to 109,236.08, 150,744.12 and 61,489.28

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Solution

The fourth proportional to 109,236.08, 150,744.12 and 61,489.28 is: 84,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,236.08 : 150,744.12 = 61,489.28 : x
  2. Step 2: Convert to fraction form
    109,236.08/150,744.12 = 61,489.28/x
  3. Step 3: Cross multiply
    109,236.08x = 150,744.12 × 61,489.28
  4. Step 4: Simplify right side
    109,236.08x = 9,269,147,403.03
  5. Step 5: Solve for x
    x = 9,269,147,403.03/109,236.08
  6. Step 6: Final answer
    x = 84,854.27

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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.