Home / 146,499.72-202,179.65-81,975.08

Finding the Fourth Proportional to 146,499.72, 202,179.65 and 81,975.08

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Solution

The fourth proportional to 146,499.72, 202,179.65 and 81,975.08 is: 113,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,499.72 : 202,179.65 = 81,975.08 : x
  2. Step 2: Convert to fraction form
    146,499.72/202,179.65 = 81,975.08/x
  3. Step 3: Cross multiply
    146,499.72x = 202,179.65 × 81,975.08
  4. Step 4: Simplify right side
    146,499.72x = 16,573,691,562.35
  5. Step 5: Solve for x
    x = 16,573,691,562.35/146,499.72
  6. Step 6: Final answer
    x = 113,131.22

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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.