Home / 100,528.92-150,563.63-47,975.31

Finding the Fourth Proportional to 100,528.92, 150,563.63 and 47,975.31

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Solution

The fourth proportional to 100,528.92, 150,563.63 and 47,975.31 is: 71,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,528.92 : 150,563.63 = 47,975.31 : x
  2. Step 2: Convert to fraction form
    100,528.92/150,563.63 = 47,975.31/x
  3. Step 3: Cross multiply
    100,528.92x = 150,563.63 × 47,975.31
  4. Step 4: Simplify right side
    100,528.92x = 7,223,336,823.98
  5. Step 5: Solve for x
    x = 7,223,336,823.98/100,528.92
  6. Step 6: Final answer
    x = 71,853.32

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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.