Home / 179,911.80-269,900.10-74,741.40

Finding the Fourth Proportional to 179,911.80, 269,900.10 and 74,741.40

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Solution

The fourth proportional to 179,911.80, 269,900.10 and 74,741.40 is: 112,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,911.80 : 269,900.10 = 74,741.40 : x
  2. Step 2: Convert to fraction form
    179,911.80/269,900.10 = 74,741.40/x
  3. Step 3: Cross multiply
    179,911.80x = 269,900.10 × 74,741.40
  4. Step 4: Simplify right side
    179,911.80x = 20,172,711,334.14
  5. Step 5: Solve for x
    x = 20,172,711,334.14/179,911.80
  6. Step 6: Final answer
    x = 112,125.56

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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.