Home / 103,542.22-155,329.76-33,405.13

Finding the Fourth Proportional to 103,542.22, 155,329.76 and 33,405.13

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Solution

The fourth proportional to 103,542.22, 155,329.76 and 33,405.13 is: 50,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,542.22 : 155,329.76 = 33,405.13 : x
  2. Step 2: Convert to fraction form
    103,542.22/155,329.76 = 33,405.13/x
  3. Step 3: Cross multiply
    103,542.22x = 155,329.76 × 33,405.13
  4. Step 4: Simplify right side
    103,542.22x = 5,188,810,825.67
  5. Step 5: Solve for x
    x = 5,188,810,825.67/103,542.22
  6. Step 6: Final answer
    x = 50,113.00

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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.