Home / 250,016.09-345,019.52-135,292.21

Finding the Fourth Proportional to 250,016.09, 345,019.52 and 135,292.21

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Solution

The fourth proportional to 250,016.09, 345,019.52 and 135,292.21 is: 186,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,016.09 : 345,019.52 = 135,292.21 : x
  2. Step 2: Convert to fraction form
    250,016.09/345,019.52 = 135,292.21/x
  3. Step 3: Cross multiply
    250,016.09x = 345,019.52 × 135,292.21
  4. Step 4: Simplify right side
    250,016.09x = 46,678,453,353.94
  5. Step 5: Solve for x
    x = 46,678,453,353.94/250,016.09
  6. Step 6: Final answer
    x = 186,701.80

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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.