Home / 260,056.20-390,084.30-159,891.60

Finding the Fourth Proportional to 260,056.20, 390,084.30 and 159,891.60

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Solution

The fourth proportional to 260,056.20, 390,084.30 and 159,891.60 is: 239,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,056.20 : 390,084.30 = 159,891.60 : x
  2. Step 2: Convert to fraction form
    260,056.20/390,084.30 = 159,891.60/x
  3. Step 3: Cross multiply
    260,056.20x = 390,084.30 × 159,891.60
  4. Step 4: Simplify right side
    260,056.20x = 62,371,202,861.88
  5. Step 5: Solve for x
    x = 62,371,202,861.88/260,056.20
  6. Step 6: Final answer
    x = 239,837.40

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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.