Home / 209,089.31-313,586.68-96,707.86

Finding the Fourth Proportional to 209,089.31, 313,586.68 and 96,707.86

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Solution

The fourth proportional to 209,089.31, 313,586.68 and 96,707.86 is: 145,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,089.31 : 313,586.68 = 96,707.86 : x
  2. Step 2: Convert to fraction form
    209,089.31/313,586.68 = 96,707.86/x
  3. Step 3: Cross multiply
    209,089.31x = 313,586.68 × 96,707.86
  4. Step 4: Simplify right side
    209,089.31x = 30,326,296,747.30
  5. Step 5: Solve for x
    x = 30,326,296,747.30/209,089.31
  6. Step 6: Final answer
    x = 145,039.92

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1.5x scale

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.