Home / 107,416.75-161,128.32-51,262.80

Finding the Fourth Proportional to 107,416.75, 161,128.32 and 51,262.80

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Solution

The fourth proportional to 107,416.75, 161,128.32 and 51,262.80 is: 76,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,416.75 : 161,128.32 = 51,262.80 : x
  2. Step 2: Convert to fraction form
    107,416.75/161,128.32 = 51,262.80/x
  3. Step 3: Cross multiply
    107,416.75x = 161,128.32 × 51,262.80
  4. Step 4: Simplify right side
    107,416.75x = 8,259,888,842.50
  5. Step 5: Solve for x
    x = 8,259,888,842.50/107,416.75
  6. Step 6: Final answer
    x = 76,895.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.