Home / 213,232.35-319,826.63-71,062.31

Finding the Fourth Proportional to 213,232.35, 319,826.63 and 71,062.31

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Solution

The fourth proportional to 213,232.35, 319,826.63 and 71,062.31 is: 106,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,232.35 : 319,826.63 = 71,062.31 : x
  2. Step 2: Convert to fraction form
    213,232.35/319,826.63 = 71,062.31/x
  3. Step 3: Cross multiply
    213,232.35x = 319,826.63 × 71,062.31
  4. Step 4: Simplify right side
    213,232.35x = 22,727,619,704.81
  5. Step 5: Solve for x
    x = 22,727,619,704.81/213,232.35
  6. Step 6: Final answer
    x = 106,586.17

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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.