Home / 165,666.78-248,126.31-76,733.46

Finding the Fourth Proportional to 165,666.78, 248,126.31 and 76,733.46

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Solution

The fourth proportional to 165,666.78, 248,126.31 and 76,733.46 is: 114,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,666.78 : 248,126.31 = 76,733.46 : x
  2. Step 2: Convert to fraction form
    165,666.78/248,126.31 = 76,733.46/x
  3. Step 3: Cross multiply
    165,666.78x = 248,126.31 × 76,733.46
  4. Step 4: Simplify right side
    165,666.78x = 19,039,590,283.33
  5. Step 5: Solve for x
    x = 19,039,590,283.33/165,666.78
  6. Step 6: Final answer
    x = 114,927.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.