Home / 209,904.62-289,676.20-119,275.96

Finding the Fourth Proportional to 209,904.62, 289,676.20 and 119,275.96

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Solution

The fourth proportional to 209,904.62, 289,676.20 and 119,275.96 is: 164,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,904.62 : 289,676.20 = 119,275.96 : x
  2. Step 2: Convert to fraction form
    209,904.62/289,676.20 = 119,275.96/x
  3. Step 3: Cross multiply
    209,904.62x = 289,676.20 × 119,275.96
  4. Step 4: Simplify right side
    209,904.62x = 34,551,406,844.15
  5. Step 5: Solve for x
    x = 34,551,406,844.15/209,904.62
  6. Step 6: Final answer
    x = 164,605.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.