Home / 231,755.90-347,633.85-74,000.30

Finding the Fourth Proportional to 231,755.90, 347,633.85 and 74,000.30

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Solution

The fourth proportional to 231,755.90, 347,633.85 and 74,000.30 is: 111,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,755.90 : 347,633.85 = 74,000.30 : x
  2. Step 2: Convert to fraction form
    231,755.90/347,633.85 = 74,000.30/x
  3. Step 3: Cross multiply
    231,755.90x = 347,633.85 × 74,000.30
  4. Step 4: Simplify right side
    231,755.90x = 25,725,009,190.16
  5. Step 5: Solve for x
    x = 25,725,009,190.16/231,755.90
  6. Step 6: Final answer
    x = 111,000.45

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1.5x scale

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.