Home / 260,153.56-390,224.85-119,912.19

Finding the Fourth Proportional to 260,153.56, 390,224.85 and 119,912.19

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Solution

The fourth proportional to 260,153.56, 390,224.85 and 119,912.19 is: 179,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,153.56 : 390,224.85 = 119,912.19 : x
  2. Step 2: Convert to fraction form
    260,153.56/390,224.85 = 119,912.19/x
  3. Step 3: Cross multiply
    260,153.56x = 390,224.85 × 119,912.19
  4. Step 4: Simplify right side
    260,153.56x = 46,792,716,355.92
  5. Step 5: Solve for x
    x = 46,792,716,355.92/260,153.56
  6. Step 6: Final answer
    x = 179,865.75

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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.