Home / 146,456.40-202,108.32-81,924.80

Finding the Fourth Proportional to 146,456.40, 202,108.32 and 81,924.80

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Solution

The fourth proportional to 146,456.40, 202,108.32 and 81,924.80 is: 113,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,456.40 : 202,108.32 = 81,924.80 : x
  2. Step 2: Convert to fraction form
    146,456.40/202,108.32 = 81,924.80/x
  3. Step 3: Cross multiply
    146,456.40x = 202,108.32 × 81,924.80
  4. Step 4: Simplify right side
    146,456.40x = 16,557,683,694.34
  5. Step 5: Solve for x
    x = 16,557,683,694.34/146,456.40
  6. Step 6: Final answer
    x = 113,055.38

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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.