Home / 212,504.58-318,953.52-107,397.36

Finding the Fourth Proportional to 212,504.58, 318,953.52 and 107,397.36

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Solution

The fourth proportional to 212,504.58, 318,953.52 and 107,397.36 is: 161,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,504.58 : 318,953.52 = 107,397.36 : x
  2. Step 2: Convert to fraction form
    212,504.58/318,953.52 = 107,397.36/x
  3. Step 3: Cross multiply
    212,504.58x = 318,953.52 × 107,397.36
  4. Step 4: Simplify right side
    212,504.58x = 34,254,766,010.71
  5. Step 5: Solve for x
    x = 34,254,766,010.71/212,504.58
  6. Step 6: Final answer
    x = 161,195.42

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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.