Home / 114,505.32-171,674.94-76,972.29

Finding the Fourth Proportional to 114,505.32, 171,674.94 and 76,972.29

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Solution

The fourth proportional to 114,505.32, 171,674.94 and 76,972.29 is: 115,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,505.32 : 171,674.94 = 76,972.29 : x
  2. Step 2: Convert to fraction form
    114,505.32/171,674.94 = 76,972.29/x
  3. Step 3: Cross multiply
    114,505.32x = 171,674.94 × 76,972.29
  4. Step 4: Simplify right side
    114,505.32x = 13,214,213,267.41
  5. Step 5: Solve for x
    x = 13,214,213,267.41/114,505.32
  6. Step 6: Final answer
    x = 115,402.61

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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.