Home / 112,542.96-168,576.24-72,982.56

Finding the Fourth Proportional to 112,542.96, 168,576.24 and 72,982.56

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Solution

The fourth proportional to 112,542.96, 168,576.24 and 72,982.56 is: 109,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542.96 : 168,576.24 = 72,982.56 : x
  2. Step 2: Convert to fraction form
    112,542.96/168,576.24 = 72,982.56/x
  3. Step 3: Cross multiply
    112,542.96x = 168,576.24 × 72,982.56
  4. Step 4: Simplify right side
    112,542.96x = 12,303,125,550.37
  5. Step 5: Solve for x
    x = 12,303,125,550.37/112,542.96
  6. Step 6: Final answer
    x = 109,319.37

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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.