Home / 155,180.25-214,148.97-88,112.25

Finding the Fourth Proportional to 155,180.25, 214,148.97 and 88,112.25

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Solution

The fourth proportional to 155,180.25, 214,148.97 and 88,112.25 is: 121,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,180.25 : 214,148.97 = 88,112.25 : x
  2. Step 2: Convert to fraction form
    155,180.25/214,148.97 = 88,112.25/x
  3. Step 3: Cross multiply
    155,180.25x = 214,148.97 × 88,112.25
  4. Step 4: Simplify right side
    155,180.25x = 18,869,147,581.88
  5. Step 5: Solve for x
    x = 18,869,147,581.88/155,180.25
  6. Step 6: Final answer
    x = 121,595.03

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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.