Home / 113,719.88-170,299.50-71,495.21

Finding the Fourth Proportional to 113,719.88, 170,299.50 and 71,495.21

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Solution

The fourth proportional to 113,719.88, 170,299.50 and 71,495.21 is: 107,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,719.88 : 170,299.50 = 71,495.21 : x
  2. Step 2: Convert to fraction form
    113,719.88/170,299.50 = 71,495.21/x
  3. Step 3: Cross multiply
    113,719.88x = 170,299.50 × 71,495.21
  4. Step 4: Simplify right side
    113,719.88x = 12,175,598,673.04
  5. Step 5: Solve for x
    x = 12,175,598,673.04/113,719.88
  6. Step 6: Final answer
    x = 107,066.58

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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.