Home / 229,898.10-344,847.15-72,126.30

Finding the Fourth Proportional to 229,898.10, 344,847.15 and 72,126.30

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Solution

The fourth proportional to 229,898.10, 344,847.15 and 72,126.30 is: 108,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,898.10 : 344,847.15 = 72,126.30 : x
  2. Step 2: Convert to fraction form
    229,898.10/344,847.15 = 72,126.30/x
  3. Step 3: Cross multiply
    229,898.10x = 344,847.15 × 72,126.30
  4. Step 4: Simplify right side
    229,898.10x = 24,872,548,995.05
  5. Step 5: Solve for x
    x = 24,872,548,995.05/229,898.10
  6. Step 6: Final answer
    x = 108,189.45

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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.