Home / 136,354.03-204,462.60-79,446.36

Finding the Fourth Proportional to 136,354.03, 204,462.60 and 79,446.36

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Solution

The fourth proportional to 136,354.03, 204,462.60 and 79,446.36 is: 119,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,354.03 : 204,462.60 = 79,446.36 : x
  2. Step 2: Convert to fraction form
    136,354.03/204,462.60 = 79,446.36/x
  3. Step 3: Cross multiply
    136,354.03x = 204,462.60 × 79,446.36
  4. Step 4: Simplify right side
    136,354.03x = 16,243,809,326.14
  5. Step 5: Solve for x
    x = 16,243,809,326.14/136,354.03
  6. Step 6: Final answer
    x = 119,129.66

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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.