Home / 152,101.11-209,907.41-87,579.93

Finding the Fourth Proportional to 152,101.11, 209,907.41 and 87,579.93

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Solution

The fourth proportional to 152,101.11, 209,907.41 and 87,579.93 is: 120,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,101.11 : 209,907.41 = 87,579.93 : x
  2. Step 2: Convert to fraction form
    152,101.11/209,907.41 = 87,579.93/x
  3. Step 3: Cross multiply
    152,101.11x = 209,907.41 × 87,579.93
  4. Step 4: Simplify right side
    152,101.11x = 18,383,675,836.38
  5. Step 5: Solve for x
    x = 18,383,675,836.38/152,101.11
  6. Step 6: Final answer
    x = 120,864.84

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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.