Home / 213,733.71-320,617.17-71,579.52

Finding the Fourth Proportional to 213,733.71, 320,617.17 and 71,579.52

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Solution

The fourth proportional to 213,733.71, 320,617.17 and 71,579.52 is: 107,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,733.71 : 320,617.17 = 71,579.52 : x
  2. Step 2: Convert to fraction form
    213,733.71/320,617.17 = 71,579.52/x
  3. Step 3: Cross multiply
    213,733.71x = 320,617.17 × 71,579.52
  4. Step 4: Simplify right side
    213,733.71x = 22,949,623,132.36
  5. Step 5: Solve for x
    x = 22,949,623,132.36/213,733.71
  6. Step 6: Final answer
    x = 107,374.84

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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.