Home / 250,148.26-345,205.14-135,428.10

Finding the Fourth Proportional to 250,148.26, 345,205.14 and 135,428.10

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Solution

The fourth proportional to 250,148.26, 345,205.14 and 135,428.10 is: 186,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,148.26 : 345,205.14 = 135,428.10 : x
  2. Step 2: Convert to fraction form
    250,148.26/345,205.14 = 135,428.10/x
  3. Step 3: Cross multiply
    250,148.26x = 345,205.14 × 135,428.10
  4. Step 4: Simplify right side
    250,148.26x = 46,750,476,220.43
  5. Step 5: Solve for x
    x = 46,750,476,220.43/250,148.26
  6. Step 6: Final answer
    x = 186,891.07

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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.