Home / 209,354.04-313,635.48-123,709.41

Finding the Fourth Proportional to 209,354.04, 313,635.48 and 123,709.41

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Solution

The fourth proportional to 209,354.04, 313,635.48 and 123,709.41 is: 185,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,354.04 : 313,635.48 = 123,709.41 : x
  2. Step 2: Convert to fraction form
    209,354.04/313,635.48 = 123,709.41/x
  3. Step 3: Cross multiply
    209,354.04x = 313,635.48 × 123,709.41
  4. Step 4: Simplify right side
    209,354.04x = 38,799,660,185.87
  5. Step 5: Solve for x
    x = 38,799,660,185.87/209,354.04
  6. Step 6: Final answer
    x = 185,330.36

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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.