Home / 146,783.12-202,930.90-108,482.27

Finding the Fourth Proportional to 146,783.12, 202,930.90 and 108,482.27

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Solution

The fourth proportional to 146,783.12, 202,930.90 and 108,482.27 is: 149,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.12 : 202,930.90 = 108,482.27 : x
  2. Step 2: Convert to fraction form
    146,783.12/202,930.90 = 108,482.27/x
  3. Step 3: Cross multiply
    146,783.12x = 202,930.90 × 108,482.27
  4. Step 4: Simplify right side
    146,783.12x = 22,014,403,670.49
  5. Step 5: Solve for x
    x = 22,014,403,670.49/146,783.12
  6. Step 6: Final answer
    x = 149,979.12

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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.