Home / 250,399.45-345,552.44-135,678.06

Finding the Fourth Proportional to 250,399.45, 345,552.44 and 135,678.06

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Solution

The fourth proportional to 250,399.45, 345,552.44 and 135,678.06 is: 187,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,399.45 : 345,552.44 = 135,678.06 : x
  2. Step 2: Convert to fraction form
    250,399.45/345,552.44 = 135,678.06/x
  3. Step 3: Cross multiply
    250,399.45x = 345,552.44 × 135,678.06
  4. Step 4: Simplify right side
    250,399.45x = 46,883,885,223.42
  5. Step 5: Solve for x
    x = 46,883,885,223.42/250,399.45
  6. Step 6: Final answer
    x = 187,236.38

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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.