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Finding the Fourth Proportional to 140,984.69, 211,532.42 and 62,043.57

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Solution

The fourth proportional to 140,984.69, 211,532.42 and 62,043.57 is: 93,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,984.69 : 211,532.42 = 62,043.57 : x
  2. Step 2: Convert to fraction form
    140,984.69/211,532.42 = 62,043.57/x
  3. Step 3: Cross multiply
    140,984.69x = 211,532.42 × 62,043.57
  4. Step 4: Simplify right side
    140,984.69x = 13,124,226,662.65
  5. Step 5: Solve for x
    x = 13,124,226,662.65/140,984.69
  6. Step 6: Final answer
    x = 93,089.73

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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.