Home / 432,156.31-648,234.45-116,613.22

Finding the Fourth Proportional to 432,156.31, 648,234.45 and 116,613.22

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Solution

The fourth proportional to 432,156.31, 648,234.45 and 116,613.22 is: 174,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,156.31 : 648,234.45 = 116,613.22 : x
  2. Step 2: Convert to fraction form
    432,156.31/648,234.45 = 116,613.22/x
  3. Step 3: Cross multiply
    432,156.31x = 648,234.45 × 116,613.22
  4. Step 4: Simplify right side
    432,156.31x = 75,592,706,529.43
  5. Step 5: Solve for x
    x = 75,592,706,529.43/432,156.31
  6. Step 6: Final answer
    x = 174,919.83

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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.