Home / 666,722.30-1,000,083.45-168,086.30

Finding the Fourth Proportional to 666,722.30, 1,000,083.45 and 168,086.30

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Solution

The fourth proportional to 666,722.30, 1,000,083.45 and 168,086.30 is: 252,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,722.30 : 1,000,083.45 = 168,086.30 : x
  2. Step 2: Convert to fraction form
    666,722.30/1,000,083.45 = 168,086.30/x
  3. Step 3: Cross multiply
    666,722.30x = 1,000,083.45 × 168,086.30
  4. Step 4: Simplify right side
    666,722.30x = 168,100,326,801.74
  5. Step 5: Solve for x
    x = 168,100,326,801.74/666,722.30
  6. Step 6: Final answer
    x = 252,129.45

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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.