Home / 155,650.42-214,797.81-92,019.70

Finding the Fourth Proportional to 155,650.42, 214,797.81 and 92,019.70

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Solution

The fourth proportional to 155,650.42, 214,797.81 and 92,019.70 is: 126,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,650.42 : 214,797.81 = 92,019.70 : x
  2. Step 2: Convert to fraction form
    155,650.42/214,797.81 = 92,019.70/x
  3. Step 3: Cross multiply
    155,650.42x = 214,797.81 × 92,019.70
  4. Step 4: Simplify right side
    155,650.42x = 19,765,630,036.86
  5. Step 5: Solve for x
    x = 19,765,630,036.86/155,650.42
  6. Step 6: Final answer
    x = 126,987.32

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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.