Home / 250,285.14-345,388.86-137,107.08

Finding the Fourth Proportional to 250,285.14, 345,388.86 and 137,107.08

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Solution

The fourth proportional to 250,285.14, 345,388.86 and 137,107.08 is: 189,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,285.14 : 345,388.86 = 137,107.08 : x
  2. Step 2: Convert to fraction form
    250,285.14/345,388.86 = 137,107.08/x
  3. Step 3: Cross multiply
    250,285.14x = 345,388.86 × 137,107.08
  4. Step 4: Simplify right side
    250,285.14x = 47,355,258,059.13
  5. Step 5: Solve for x
    x = 47,355,258,059.13/250,285.14
  6. Step 6: Final answer
    x = 189,205.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.