Home / 146,670.14-202,388.04-82,130.39

Finding the Fourth Proportional to 146,670.14, 202,388.04 and 82,130.39

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Solution

The fourth proportional to 146,670.14, 202,388.04 and 82,130.39 is: 113,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,670.14 : 202,388.04 = 82,130.39 : x
  2. Step 2: Convert to fraction form
    146,670.14/202,388.04 = 82,130.39/x
  3. Step 3: Cross multiply
    146,670.14x = 202,388.04 × 82,130.39
  4. Step 4: Simplify right side
    146,670.14x = 16,622,207,644.60
  5. Step 5: Solve for x
    x = 16,622,207,644.60/146,670.14
  6. Step 6: Final answer
    x = 113,330.55

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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.