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Finding the Fourth Proportional to 109,911.60, 164,877.84 and 29,950.56

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Solution

The fourth proportional to 109,911.60, 164,877.84 and 29,950.56 is: 44,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,911.60 : 164,877.84 = 29,950.56 : x
  2. Step 2: Convert to fraction form
    109,911.60/164,877.84 = 29,950.56/x
  3. Step 3: Cross multiply
    109,911.60x = 164,877.84 × 29,950.56
  4. Step 4: Simplify right side
    109,911.60x = 4,938,183,639.59
  5. Step 5: Solve for x
    x = 4,938,183,639.59/109,911.60
  6. Step 6: Final answer
    x = 44,928.68

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1.5x scale

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.