Home / 213,663.46-320,232.74-119,972.38

Finding the Fourth Proportional to 213,663.46, 320,232.74 and 119,972.38

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Solution

The fourth proportional to 213,663.46, 320,232.74 and 119,972.38 is: 179,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,663.46 : 320,232.74 = 119,972.38 : x
  2. Step 2: Convert to fraction form
    213,663.46/320,232.74 = 119,972.38/x
  3. Step 3: Cross multiply
    213,663.46x = 320,232.74 × 119,972.38
  4. Step 4: Simplify right side
    213,663.46x = 38,419,083,971.72
  5. Step 5: Solve for x
    x = 38,419,083,971.72/213,663.46
  6. Step 6: Final answer
    x = 179,811.20

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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.