Home / 213,062.04-319,199.40-107,629.20

Finding the Fourth Proportional to 213,062.04, 319,199.40 and 107,629.20

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Solution

The fourth proportional to 213,062.04, 319,199.40 and 107,629.20 is: 161,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,062.04 : 319,199.40 = 107,629.20 : x
  2. Step 2: Convert to fraction form
    213,062.04/319,199.40 = 107,629.20/x
  3. Step 3: Cross multiply
    213,062.04x = 319,199.40 × 107,629.20
  4. Step 4: Simplify right side
    213,062.04x = 34,355,176,062.48
  5. Step 5: Solve for x
    x = 34,355,176,062.48/213,062.04
  6. Step 6: Final answer
    x = 161,244.94

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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.