Home / 213,881.22-320,641.38-134,821.17

Finding the Fourth Proportional to 213,881.22, 320,641.38 and 134,821.17

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Solution

The fourth proportional to 213,881.22, 320,641.38 and 134,821.17 is: 202,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,881.22 : 320,641.38 = 134,821.17 : x
  2. Step 2: Convert to fraction form
    213,881.22/320,641.38 = 134,821.17/x
  3. Step 3: Cross multiply
    213,881.22x = 320,641.38 × 134,821.17
  4. Step 4: Simplify right side
    213,881.22x = 43,229,246,002.01
  5. Step 5: Solve for x
    x = 43,229,246,002.01/213,881.22
  6. Step 6: Final answer
    x = 202,118.01

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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.