Home / 107,611.20-161,416.80-88,584.30

Finding the Fourth Proportional to 107,611.20, 161,416.80 and 88,584.30

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Solution

The fourth proportional to 107,611.20, 161,416.80 and 88,584.30 is: 132,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,611.20 : 161,416.80 = 88,584.30 : x
  2. Step 2: Convert to fraction form
    107,611.20/161,416.80 = 88,584.30/x
  3. Step 3: Cross multiply
    107,611.20x = 161,416.80 × 88,584.30
  4. Step 4: Simplify right side
    107,611.20x = 14,298,994,236.24
  5. Step 5: Solve for x
    x = 14,298,994,236.24/107,611.20
  6. Step 6: Final answer
    x = 132,876.45

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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.