Home / 114,914.80-172,372.20-31,808.80

Finding the Fourth Proportional to 114,914.80, 172,372.20 and 31,808.80

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Solution

The fourth proportional to 114,914.80, 172,372.20 and 31,808.80 is: 47,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,914.80 : 172,372.20 = 31,808.80 : x
  2. Step 2: Convert to fraction form
    114,914.80/172,372.20 = 31,808.80/x
  3. Step 3: Cross multiply
    114,914.80x = 172,372.20 × 31,808.80
  4. Step 4: Simplify right side
    114,914.80x = 5,482,952,835.36
  5. Step 5: Solve for x
    x = 5,482,952,835.36/114,914.80
  6. Step 6: Final answer
    x = 47,713.20

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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.