Home / 100,350.39-150,517.71-28,300.41

Finding the Fourth Proportional to 100,350.39, 150,517.71 and 28,300.41

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Solution

The fourth proportional to 100,350.39, 150,517.71 and 28,300.41 is: 42,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,350.39 : 150,517.71 = 28,300.41 : x
  2. Step 2: Convert to fraction form
    100,350.39/150,517.71 = 28,300.41/x
  3. Step 3: Cross multiply
    100,350.39x = 150,517.71 × 28,300.41
  4. Step 4: Simplify right side
    100,350.39x = 4,259,712,905.26
  5. Step 5: Solve for x
    x = 4,259,712,905.26/100,350.39
  6. Step 6: Final answer
    x = 42,448.39

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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.