Home / 146,485.96-202,149.78-79,416.52

Finding the Fourth Proportional to 146,485.96, 202,149.78 and 79,416.52

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Solution

The fourth proportional to 146,485.96, 202,149.78 and 79,416.52 is: 109,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,485.96 : 202,149.78 = 79,416.52 : x
  2. Step 2: Convert to fraction form
    146,485.96/202,149.78 = 79,416.52/x
  3. Step 3: Cross multiply
    146,485.96x = 202,149.78 × 79,416.52
  4. Step 4: Simplify right side
    146,485.96x = 16,054,032,046.37
  5. Step 5: Solve for x
    x = 16,054,032,046.37/146,485.96
  6. Step 6: Final answer
    x = 109,594.34

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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.