Home / 144,817.90-217,308.42-113,139.16

Finding the Fourth Proportional to 144,817.90, 217,308.42 and 113,139.16

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Solution

The fourth proportional to 144,817.90, 217,308.42 and 113,139.16 is: 169,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,817.90 : 217,308.42 = 113,139.16 : x
  2. Step 2: Convert to fraction form
    144,817.90/217,308.42 = 113,139.16/x
  3. Step 3: Cross multiply
    144,817.90x = 217,308.42 × 113,139.16
  4. Step 4: Simplify right side
    144,817.90x = 24,586,092,099.73
  5. Step 5: Solve for x
    x = 24,586,092,099.73/144,817.90
  6. Step 6: Final answer
    x = 169,772.47

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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.