Home / 152,035.98-209,815.55-100,960.62

Finding the Fourth Proportional to 152,035.98, 209,815.55 and 100,960.62

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Solution

The fourth proportional to 152,035.98, 209,815.55 and 100,960.62 is: 139,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,035.98 : 209,815.55 = 100,960.62 : x
  2. Step 2: Convert to fraction form
    152,035.98/209,815.55 = 100,960.62/x
  3. Step 3: Cross multiply
    152,035.98x = 209,815.55 × 100,960.62
  4. Step 4: Simplify right side
    152,035.98x = 21,183,108,013.64
  5. Step 5: Solve for x
    x = 21,183,108,013.64/152,035.98
  6. Step 6: Final answer
    x = 139,329.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.