Home / 230,564.20-345,846.30-137,021.80

Finding the Fourth Proportional to 230,564.20, 345,846.30 and 137,021.80

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Solution

The fourth proportional to 230,564.20, 345,846.30 and 137,021.80 is: 205,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,564.20 : 345,846.30 = 137,021.80 : x
  2. Step 2: Convert to fraction form
    230,564.20/345,846.30 = 137,021.80/x
  3. Step 3: Cross multiply
    230,564.20x = 345,846.30 × 137,021.80
  4. Step 4: Simplify right side
    230,564.20x = 47,388,482,549.34
  5. Step 5: Solve for x
    x = 47,388,482,549.34/230,564.20
  6. Step 6: Final answer
    x = 205,532.70

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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.