Home / 155,451.75-214,523.43-88,383.75

Finding the Fourth Proportional to 155,451.75, 214,523.43 and 88,383.75

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Solution

The fourth proportional to 155,451.75, 214,523.43 and 88,383.75 is: 121,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,451.75 : 214,523.43 = 88,383.75 : x
  2. Step 2: Convert to fraction form
    155,451.75/214,523.43 = 88,383.75/x
  3. Step 3: Cross multiply
    155,451.75x = 214,523.43 × 88,383.75
  4. Step 4: Simplify right side
    155,451.75x = 18,960,385,206.26
  5. Step 5: Solve for x
    x = 18,960,385,206.26/155,451.75
  6. Step 6: Final answer
    x = 121,969.58

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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.