Home / 106,472.16-145,865.25-102,483.72

Finding the Fourth Proportional to 106,472.16, 145,865.25 and 102,483.72

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Solution

The fourth proportional to 106,472.16, 145,865.25 and 102,483.72 is: 140,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,472.16 : 145,865.25 = 102,483.72 : x
  2. Step 2: Convert to fraction form
    106,472.16/145,865.25 = 102,483.72/x
  3. Step 3: Cross multiply
    106,472.16x = 145,865.25 × 102,483.72
  4. Step 4: Simplify right side
    106,472.16x = 14,948,813,438.73
  5. Step 5: Solve for x
    x = 14,948,813,438.73/106,472.16
  6. Step 6: Final answer
    x = 140,401.15

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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.