Home / 146,415.72-202,052.25-81,884.23

Finding the Fourth Proportional to 146,415.72, 202,052.25 and 81,884.23

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Solution

The fourth proportional to 146,415.72, 202,052.25 and 81,884.23 is: 112,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,415.72 : 202,052.25 = 81,884.23 : x
  2. Step 2: Convert to fraction form
    146,415.72/202,052.25 = 81,884.23/x
  3. Step 3: Cross multiply
    146,415.72x = 202,052.25 × 81,884.23
  4. Step 4: Simplify right side
    146,415.72x = 16,544,892,911.02
  5. Step 5: Solve for x
    x = 16,544,892,911.02/146,415.72
  6. Step 6: Final answer
    x = 112,999.43

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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.