Home / 115,780.96-173,619.60-40,885.60

Finding the Fourth Proportional to 115,780.96, 173,619.60 and 40,885.60

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Solution

The fourth proportional to 115,780.96, 173,619.60 and 40,885.60 is: 61,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,780.96 : 173,619.60 = 40,885.60 : x
  2. Step 2: Convert to fraction form
    115,780.96/173,619.60 = 40,885.60/x
  3. Step 3: Cross multiply
    115,780.96x = 173,619.60 × 40,885.60
  4. Step 4: Simplify right side
    115,780.96x = 7,098,541,517.76
  5. Step 5: Solve for x
    x = 7,098,541,517.76/115,780.96
  6. Step 6: Final answer
    x = 61,310.09

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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.