Home / 143,225.62-214,634.74-105,488.94

Finding the Fourth Proportional to 143,225.62, 214,634.74 and 105,488.94

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Solution

The fourth proportional to 143,225.62, 214,634.74 and 105,488.94 is: 158,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.62 : 214,634.74 = 105,488.94 : x
  2. Step 2: Convert to fraction form
    143,225.62/214,634.74 = 105,488.94/x
  3. Step 3: Cross multiply
    143,225.62x = 214,634.74 × 105,488.94
  4. Step 4: Simplify right side
    143,225.62x = 22,641,591,209.78
  5. Step 5: Solve for x
    x = 22,641,591,209.78/143,225.62
  6. Step 6: Final answer
    x = 158,083.39

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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.