Home / 667,359.80-1,001,039.70-168,723.80

Finding the Fourth Proportional to 667,359.80, 1,001,039.70 and 168,723.80

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Solution

The fourth proportional to 667,359.80, 1,001,039.70 and 168,723.80 is: 253,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,359.80 : 1,001,039.70 = 168,723.80 : x
  2. Step 2: Convert to fraction form
    667,359.80/1,001,039.70 = 168,723.80/x
  3. Step 3: Cross multiply
    667,359.80x = 1,001,039.70 × 168,723.80
  4. Step 4: Simplify right side
    667,359.80x = 168,899,222,134.86
  5. Step 5: Solve for x
    x = 168,899,222,134.86/667,359.80
  6. Step 6: Final answer
    x = 253,085.70

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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.