Home / 105,535.44-158,311.38-30,656.80

Finding the Fourth Proportional to 105,535.44, 158,311.38 and 30,656.80

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Solution

The fourth proportional to 105,535.44, 158,311.38 and 30,656.80 is: 45,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,535.44 : 158,311.38 = 30,656.80 : x
  2. Step 2: Convert to fraction form
    105,535.44/158,311.38 = 30,656.80/x
  3. Step 3: Cross multiply
    105,535.44x = 158,311.38 × 30,656.80
  4. Step 4: Simplify right side
    105,535.44x = 4,853,320,314.38
  5. Step 5: Solve for x
    x = 4,853,320,314.38/105,535.44
  6. Step 6: Final answer
    x = 45,987.59

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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.