Home / 239,981.08-360,049.40-82,210.92

Finding the Fourth Proportional to 239,981.08, 360,049.40 and 82,210.92

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Solution

The fourth proportional to 239,981.08, 360,049.40 and 82,210.92 is: 123,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,981.08 : 360,049.40 = 82,210.92 : x
  2. Step 2: Convert to fraction form
    239,981.08/360,049.40 = 82,210.92/x
  3. Step 3: Cross multiply
    239,981.08x = 360,049.40 × 82,210.92
  4. Step 4: Simplify right side
    239,981.08x = 29,599,992,419.45
  5. Step 5: Solve for x
    x = 29,599,992,419.45/239,981.08
  6. Step 6: Final answer
    x = 123,343.03

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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.