Home / 209,816.13-314,500.11-119,664.76

Finding the Fourth Proportional to 209,816.13, 314,500.11 and 119,664.76

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Solution

The fourth proportional to 209,816.13, 314,500.11 and 119,664.76 is: 179,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,816.13 : 314,500.11 = 119,664.76 : x
  2. Step 2: Convert to fraction form
    209,816.13/314,500.11 = 119,664.76/x
  3. Step 3: Cross multiply
    209,816.13x = 314,500.11 × 119,664.76
  4. Step 4: Simplify right side
    209,816.13x = 37,634,578,012.30
  5. Step 5: Solve for x
    x = 37,634,578,012.30/209,816.13
  6. Step 6: Final answer
    x = 179,369.33

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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.