Home / 231,962.20-347,813.70-98,819.80

Finding the Fourth Proportional to 231,962.20, 347,813.70 and 98,819.80

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Solution

The fourth proportional to 231,962.20, 347,813.70 and 98,819.80 is: 148,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,962.20 : 347,813.70 = 98,819.80 : x
  2. Step 2: Convert to fraction form
    231,962.20/347,813.70 = 98,819.80/x
  3. Step 3: Cross multiply
    231,962.20x = 347,813.70 × 98,819.80
  4. Step 4: Simplify right side
    231,962.20x = 34,370,880,271.26
  5. Step 5: Solve for x
    x = 34,370,880,271.26/231,962.20
  6. Step 6: Final answer
    x = 148,174.49

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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.