Home / 250,149.74-345,207.21-135,429.59

Finding the Fourth Proportional to 250,149.74, 345,207.21 and 135,429.59

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Solution

The fourth proportional to 250,149.74, 345,207.21 and 135,429.59 is: 186,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,149.74 : 345,207.21 = 135,429.59 : x
  2. Step 2: Convert to fraction form
    250,149.74/345,207.21 = 135,429.59/x
  3. Step 3: Cross multiply
    250,149.74x = 345,207.21 × 135,429.59
  4. Step 4: Simplify right side
    250,149.74x = 46,751,270,915.34
  5. Step 5: Solve for x
    x = 46,751,270,915.34/250,149.74
  6. Step 6: Final answer
    x = 186,893.14

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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.