Home / 143,318.40-214,979.70-54,576.82

Finding the Fourth Proportional to 143,318.40, 214,979.70 and 54,576.82

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Solution

The fourth proportional to 143,318.40, 214,979.70 and 54,576.82 is: 81,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.40 : 214,979.70 = 54,576.82 : x
  2. Step 2: Convert to fraction form
    143,318.40/214,979.70 = 54,576.82/x
  3. Step 3: Cross multiply
    143,318.40x = 214,979.70 × 54,576.82
  4. Step 4: Simplify right side
    143,318.40x = 11,732,908,390.55
  5. Step 5: Solve for x
    x = 11,732,908,390.55/143,318.40
  6. Step 6: Final answer
    x = 81,866.03

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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.