Home / 154,234.45-231,395.96-64,259.65

Finding the Fourth Proportional to 154,234.45, 231,395.96 and 64,259.65

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Solution

The fourth proportional to 154,234.45, 231,395.96 and 64,259.65 is: 96,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,234.45 : 231,395.96 = 64,259.65 : x
  2. Step 2: Convert to fraction form
    154,234.45/231,395.96 = 64,259.65/x
  3. Step 3: Cross multiply
    154,234.45x = 231,395.96 × 64,259.65
  4. Step 4: Simplify right side
    154,234.45x = 14,869,423,401.01
  5. Step 5: Solve for x
    x = 14,869,423,401.01/154,234.45
  6. Step 6: Final answer
    x = 96,407.93

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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.