Home / 213,472.16-320,035.44-88,906.40

Finding the Fourth Proportional to 213,472.16, 320,035.44 and 88,906.40

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Solution

The fourth proportional to 213,472.16, 320,035.44 and 88,906.40 is: 133,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,472.16 : 320,035.44 = 88,906.40 : x
  2. Step 2: Convert to fraction form
    213,472.16/320,035.44 = 88,906.40/x
  3. Step 3: Cross multiply
    213,472.16x = 320,035.44 × 88,906.40
  4. Step 4: Simplify right side
    213,472.16x = 28,453,198,842.82
  5. Step 5: Solve for x
    x = 28,453,198,842.82/213,472.16
  6. Step 6: Final answer
    x = 133,287.63

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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.