Home / 103,693.21-155,560.16-47,534.70

Finding the Fourth Proportional to 103,693.21, 155,560.16 and 47,534.70

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Solution

The fourth proportional to 103,693.21, 155,560.16 and 47,534.70 is: 71,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,693.21 : 155,560.16 = 47,534.70 : x
  2. Step 2: Convert to fraction form
    103,693.21/155,560.16 = 47,534.70/x
  3. Step 3: Cross multiply
    103,693.21x = 155,560.16 × 47,534.70
  4. Step 4: Simplify right side
    103,693.21x = 7,394,505,537.55
  5. Step 5: Solve for x
    x = 7,394,505,537.55/103,693.21
  6. Step 6: Final answer
    x = 71,311.38

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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.