Home / 296,774.24-445,157.48-72,134.03

Finding the Fourth Proportional to 296,774.24, 445,157.48 and 72,134.03

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Solution

The fourth proportional to 296,774.24, 445,157.48 and 72,134.03 is: 108,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,774.24 : 445,157.48 = 72,134.03 : x
  2. Step 2: Convert to fraction form
    296,774.24/445,157.48 = 72,134.03/x
  3. Step 3: Cross multiply
    296,774.24x = 445,157.48 × 72,134.03
  4. Step 4: Simplify right side
    296,774.24x = 32,111,004,310.27
  5. Step 5: Solve for x
    x = 32,111,004,310.27/296,774.24
  6. Step 6: Final answer
    x = 108,200.11

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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.