Home / 209,964.79-289,751.41-119,320.93

Finding the Fourth Proportional to 209,964.79, 289,751.41 and 119,320.93

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Solution

The fourth proportional to 209,964.79, 289,751.41 and 119,320.93 is: 164,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,964.79 : 289,751.41 = 119,320.93 : x
  2. Step 2: Convert to fraction form
    209,964.79/289,751.41 = 119,320.93/x
  3. Step 3: Cross multiply
    209,964.79x = 289,751.41 × 119,320.93
  4. Step 4: Simplify right side
    209,964.79x = 34,573,408,221.35
  5. Step 5: Solve for x
    x = 34,573,408,221.35/209,964.79
  6. Step 6: Final answer
    x = 164,662.88

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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.