Home / 151,522.30-209,023.90-115,650.03

Finding the Fourth Proportional to 151,522.30, 209,023.90 and 115,650.03

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Solution

The fourth proportional to 151,522.30, 209,023.90 and 115,650.03 is: 159,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,522.30 : 209,023.90 = 115,650.03 : x
  2. Step 2: Convert to fraction form
    151,522.30/209,023.90 = 115,650.03/x
  3. Step 3: Cross multiply
    151,522.30x = 209,023.90 × 115,650.03
  4. Step 4: Simplify right side
    151,522.30x = 24,173,620,305.72
  5. Step 5: Solve for x
    x = 24,173,620,305.72/151,522.30
  6. Step 6: Final answer
    x = 159,538.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.