Home / 146,988.22-202,837.61-83,330.32

Finding the Fourth Proportional to 146,988.22, 202,837.61 and 83,330.32

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Solution

The fourth proportional to 146,988.22, 202,837.61 and 83,330.32 is: 114,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,988.22 : 202,837.61 = 83,330.32 : x
  2. Step 2: Convert to fraction form
    146,988.22/202,837.61 = 83,330.32/x
  3. Step 3: Cross multiply
    146,988.22x = 202,837.61 × 83,330.32
  4. Step 4: Simplify right side
    146,988.22x = 16,902,522,949.34
  5. Step 5: Solve for x
    x = 16,902,522,949.34/146,988.22
  6. Step 6: Final answer
    x = 114,992.36

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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.