Home / 94,911.40-142,172.70-48,190.60

Finding the Fourth Proportional to 94,911.40, 142,172.70 and 48,190.60

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Solution

The fourth proportional to 94,911.40, 142,172.70 and 48,190.60 is: 72,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,911.40 : 142,172.70 = 48,190.60 : x
  2. Step 2: Convert to fraction form
    94,911.40/142,172.70 = 48,190.60/x
  3. Step 3: Cross multiply
    94,911.40x = 142,172.70 × 48,190.60
  4. Step 4: Simplify right side
    94,911.40x = 6,851,387,716.62
  5. Step 5: Solve for x
    x = 6,851,387,716.62/94,911.40
  6. Step 6: Final answer
    x = 72,187.19

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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.