Home / 667,157.18-1,000,726.91-161,722.59

Finding the Fourth Proportional to 667,157.18, 1,000,726.91 and 161,722.59

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Solution

The fourth proportional to 667,157.18, 1,000,726.91 and 161,722.59 is: 242,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,157.18 : 1,000,726.91 = 161,722.59 : x
  2. Step 2: Convert to fraction form
    667,157.18/1,000,726.91 = 161,722.59/x
  3. Step 3: Cross multiply
    667,157.18x = 1,000,726.91 × 161,722.59
  4. Step 4: Simplify right side
    667,157.18x = 161,840,151,924.93
  5. Step 5: Solve for x
    x = 161,840,151,924.93/667,157.18
  6. Step 6: Final answer
    x = 242,581.75

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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.