Home / 213,835.80-320,753.70-180,010.20

Finding the Fourth Proportional to 213,835.80, 320,753.70 and 180,010.20

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Solution

The fourth proportional to 213,835.80, 320,753.70 and 180,010.20 is: 270,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,835.80 : 320,753.70 = 180,010.20 : x
  2. Step 2: Convert to fraction form
    213,835.80/320,753.70 = 180,010.20/x
  3. Step 3: Cross multiply
    213,835.80x = 320,753.70 × 180,010.20
  4. Step 4: Simplify right side
    213,835.80x = 57,738,937,687.74
  5. Step 5: Solve for x
    x = 57,738,937,687.74/213,835.80
  6. Step 6: Final answer
    x = 270,015.30

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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.