Home / 250,014.15-345,020.44-135,292.78

Finding the Fourth Proportional to 250,014.15, 345,020.44 and 135,292.78

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Solution

The fourth proportional to 250,014.15, 345,020.44 and 135,292.78 is: 186,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,014.15 : 345,020.44 = 135,292.78 : x
  2. Step 2: Convert to fraction form
    250,014.15/345,020.44 = 135,292.78/x
  3. Step 3: Cross multiply
    250,014.15x = 345,020.44 × 135,292.78
  4. Step 4: Simplify right side
    250,014.15x = 46,678,773,784.70
  5. Step 5: Solve for x
    x = 46,678,773,784.70/250,014.15
  6. Step 6: Final answer
    x = 186,704.53

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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.