Home / 106,384.62-145,746.33-102,396.18

Finding the Fourth Proportional to 106,384.62, 145,746.33 and 102,396.18

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Solution

The fourth proportional to 106,384.62, 145,746.33 and 102,396.18 is: 140,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.62 : 145,746.33 = 102,396.18 : x
  2. Step 2: Convert to fraction form
    106,384.62/145,746.33 = 102,396.18/x
  3. Step 3: Cross multiply
    106,384.62x = 145,746.33 × 102,396.18
  4. Step 4: Simplify right side
    106,384.62x = 14,923,867,441.02
  5. Step 5: Solve for x
    x = 14,923,867,441.02/106,384.62
  6. Step 6: Final answer
    x = 140,282.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.