Home / 105,725.20-158,609.40-35,611.60

Finding the Fourth Proportional to 105,725.20, 158,609.40 and 35,611.60

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Solution

The fourth proportional to 105,725.20, 158,609.40 and 35,611.60 is: 53,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,725.20 : 158,609.40 = 35,611.60 : x
  2. Step 2: Convert to fraction form
    105,725.20/158,609.40 = 35,611.60/x
  3. Step 3: Cross multiply
    105,725.20x = 158,609.40 × 35,611.60
  4. Step 4: Simplify right side
    105,725.20x = 5,648,334,509.04
  5. Step 5: Solve for x
    x = 5,648,334,509.04/105,725.20
  6. Step 6: Final answer
    x = 53,424.68

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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.