Home / 131,779.99-197,668.22-31,941.06

Finding the Fourth Proportional to 131,779.99, 197,668.22 and 31,941.06

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Solution

The fourth proportional to 131,779.99, 197,668.22 and 31,941.06 is: 47,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,779.99 : 197,668.22 = 31,941.06 : x
  2. Step 2: Convert to fraction form
    131,779.99/197,668.22 = 31,941.06/x
  3. Step 3: Cross multiply
    131,779.99x = 197,668.22 × 31,941.06
  4. Step 4: Simplify right side
    131,779.99x = 6,313,732,399.60
  5. Step 5: Solve for x
    x = 6,313,732,399.60/131,779.99
  6. Step 6: Final answer
    x = 47,911.16

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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.