Home / 70,116.26-105,175.30-20,197.18

Finding the Fourth Proportional to 70,116.26, 105,175.30 and 20,197.18

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Solution

The fourth proportional to 70,116.26, 105,175.30 and 20,197.18 is: 30,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116.26 : 105,175.30 = 20,197.18 : x
  2. Step 2: Convert to fraction form
    70,116.26/105,175.30 = 20,197.18/x
  3. Step 3: Cross multiply
    70,116.26x = 105,175.30 × 20,197.18
  4. Step 4: Simplify right side
    70,116.26x = 2,124,244,465.65
  5. Step 5: Solve for x
    x = 2,124,244,465.65/70,116.26
  6. Step 6: Final answer
    x = 30,296.03

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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.