Home / 114,629.40-171,944.10-67,390.20

Finding the Fourth Proportional to 114,629.40, 171,944.10 and 67,390.20

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Solution

The fourth proportional to 114,629.40, 171,944.10 and 67,390.20 is: 101,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,629.40 : 171,944.10 = 67,390.20 : x
  2. Step 2: Convert to fraction form
    114,629.40/171,944.10 = 67,390.20/x
  3. Step 3: Cross multiply
    114,629.40x = 171,944.10 × 67,390.20
  4. Step 4: Simplify right side
    114,629.40x = 11,587,347,287.82
  5. Step 5: Solve for x
    x = 11,587,347,287.82/114,629.40
  6. Step 6: Final answer
    x = 101,085.30

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Similar ratio
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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.