Home / 213,517.90-320,376.48-95,176.90

Finding the Fourth Proportional to 213,517.90, 320,376.48 and 95,176.90

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Solution

The fourth proportional to 213,517.90, 320,376.48 and 95,176.90 is: 142,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,517.90 : 320,376.48 = 95,176.90 : x
  2. Step 2: Convert to fraction form
    213,517.90/320,376.48 = 95,176.90/x
  3. Step 3: Cross multiply
    213,517.90x = 320,376.48 × 95,176.90
  4. Step 4: Simplify right side
    213,517.90x = 30,492,440,199.31
  5. Step 5: Solve for x
    x = 30,492,440,199.31/213,517.90
  6. Step 6: Final answer
    x = 142,809.76

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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.