Home / 667,388.40-1,001,086.20-168,752.40

Finding the Fourth Proportional to 667,388.40, 1,001,086.20 and 168,752.40

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Solution

The fourth proportional to 667,388.40, 1,001,086.20 and 168,752.40 is: 253,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,388.40 : 1,001,086.20 = 168,752.40 : x
  2. Step 2: Convert to fraction form
    667,388.40/1,001,086.20 = 168,752.40/x
  3. Step 3: Cross multiply
    667,388.40x = 1,001,086.20 × 168,752.40
  4. Step 4: Simplify right side
    667,388.40x = 168,935,698,856.88
  5. Step 5: Solve for x
    x = 168,935,698,856.88/667,388.40
  6. Step 6: Final answer
    x = 253,129.51

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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.