Home / 152,800.22-229,247.25-72,940.09

Finding the Fourth Proportional to 152,800.22, 229,247.25 and 72,940.09

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Solution

The fourth proportional to 152,800.22, 229,247.25 and 72,940.09 is: 109,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,800.22 : 229,247.25 = 72,940.09 : x
  2. Step 2: Convert to fraction form
    152,800.22/229,247.25 = 72,940.09/x
  3. Step 3: Cross multiply
    152,800.22x = 229,247.25 × 72,940.09
  4. Step 4: Simplify right side
    152,800.22x = 16,721,315,047.25
  5. Step 5: Solve for x
    x = 16,721,315,047.25/152,800.22
  6. Step 6: Final answer
    x = 109,432.53

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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.