Home / 153,849.21-230,876.90-54,009.69

Finding the Fourth Proportional to 153,849.21, 230,876.90 and 54,009.69

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Solution

The fourth proportional to 153,849.21, 230,876.90 and 54,009.69 is: 81,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,849.21 : 230,876.90 = 54,009.69 : x
  2. Step 2: Convert to fraction form
    153,849.21/230,876.90 = 54,009.69/x
  3. Step 3: Cross multiply
    153,849.21x = 230,876.90 × 54,009.69
  4. Step 4: Simplify right side
    153,849.21x = 12,469,589,527.11
  5. Step 5: Solve for x
    x = 12,469,589,527.11/153,849.21
  6. Step 6: Final answer
    x = 81,050.72

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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.