Home / 155,524.32-214,628.40-88,460.64

Finding the Fourth Proportional to 155,524.32, 214,628.40 and 88,460.64

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Solution

The fourth proportional to 155,524.32, 214,628.40 and 88,460.64 is: 122,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,524.32 : 214,628.40 = 88,460.64 : x
  2. Step 2: Convert to fraction form
    155,524.32/214,628.40 = 88,460.64/x
  3. Step 3: Cross multiply
    155,524.32x = 214,628.40 × 88,460.64
  4. Step 4: Simplify right side
    155,524.32x = 18,986,165,626.18
  5. Step 5: Solve for x
    x = 18,986,165,626.18/155,524.32
  6. Step 6: Final answer
    x = 122,078.44

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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.