Home / 250,637.24-345,878.70-143,240.60

Finding the Fourth Proportional to 250,637.24, 345,878.70 and 143,240.60

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Solution

The fourth proportional to 250,637.24, 345,878.70 and 143,240.60 is: 197,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,637.24 : 345,878.70 = 143,240.60 : x
  2. Step 2: Convert to fraction form
    250,637.24/345,878.70 = 143,240.60/x
  3. Step 3: Cross multiply
    250,637.24x = 345,878.70 × 143,240.60
  4. Step 4: Simplify right side
    250,637.24x = 49,543,872,515.22
  5. Step 5: Solve for x
    x = 49,543,872,515.22/250,637.24
  6. Step 6: Final answer
    x = 197,671.63

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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.