Home / 163,520.87-225,513.18-106,105.37

Finding the Fourth Proportional to 163,520.87, 225,513.18 and 106,105.37

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Solution

The fourth proportional to 163,520.87, 225,513.18 and 106,105.37 is: 146,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520.87 : 225,513.18 = 106,105.37 : x
  2. Step 2: Convert to fraction form
    163,520.87/225,513.18 = 106,105.37/x
  3. Step 3: Cross multiply
    163,520.87x = 225,513.18 × 106,105.37
  4. Step 4: Simplify right side
    163,520.87x = 23,928,158,276.21
  5. Step 5: Solve for x
    x = 23,928,158,276.21/163,520.87
  6. Step 6: Final answer
    x = 146,330.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.