Home / 250,783.18-346,080.74-143,355.54

Finding the Fourth Proportional to 250,783.18, 346,080.74 and 143,355.54

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Solution

The fourth proportional to 250,783.18, 346,080.74 and 143,355.54 is: 197,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,783.18 : 346,080.74 = 143,355.54 : x
  2. Step 2: Convert to fraction form
    250,783.18/346,080.74 = 143,355.54/x
  3. Step 3: Cross multiply
    250,783.18x = 346,080.74 × 143,355.54
  4. Step 4: Simplify right side
    250,783.18x = 49,612,591,366.30
  5. Step 5: Solve for x
    x = 49,612,591,366.30/250,783.18
  6. Step 6: Final answer
    x = 197,830.62

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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.