Home / 260,532.10-390,834.60-110,771.20

Finding the Fourth Proportional to 260,532.10, 390,834.60 and 110,771.20

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Solution

The fourth proportional to 260,532.10, 390,834.60 and 110,771.20 is: 166,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,532.10 : 390,834.60 = 110,771.20 : x
  2. Step 2: Convert to fraction form
    260,532.10/390,834.60 = 110,771.20/x
  3. Step 3: Cross multiply
    260,532.10x = 390,834.60 × 110,771.20
  4. Step 4: Simplify right side
    260,532.10x = 43,293,217,643.52
  5. Step 5: Solve for x
    x = 43,293,217,643.52/260,532.10
  6. Step 6: Final answer
    x = 166,172.30

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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.