Home / 94,405.80-141,629.54-31,245.60

Finding the Fourth Proportional to 94,405.80, 141,629.54 and 31,245.60

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Solution

The fourth proportional to 94,405.80, 141,629.54 and 31,245.60 is: 46,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,405.80 : 141,629.54 = 31,245.60 : x
  2. Step 2: Convert to fraction form
    94,405.80/141,629.54 = 31,245.60/x
  3. Step 3: Cross multiply
    94,405.80x = 141,629.54 × 31,245.60
  4. Step 4: Simplify right side
    94,405.80x = 4,425,299,798.80
  5. Step 5: Solve for x
    x = 4,425,299,798.80/94,405.80
  6. Step 6: Final answer
    x = 46,875.30

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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.