Home / 103,943.20-155,918.40-32,866.60

Finding the Fourth Proportional to 103,943.20, 155,918.40 and 32,866.60

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Solution

The fourth proportional to 103,943.20, 155,918.40 and 32,866.60 is: 49,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.20 : 155,918.40 = 32,866.60 : x
  2. Step 2: Convert to fraction form
    103,943.20/155,918.40 = 32,866.60/x
  3. Step 3: Cross multiply
    103,943.20x = 155,918.40 × 32,866.60
  4. Step 4: Simplify right side
    103,943.20x = 5,124,507,685.44
  5. Step 5: Solve for x
    x = 5,124,507,685.44/103,943.20
  6. Step 6: Final answer
    x = 49,301.04

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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.