Home / 109,209.53-163,814.10-34,336.21

Finding the Fourth Proportional to 109,209.53, 163,814.10 and 34,336.21

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Solution

The fourth proportional to 109,209.53, 163,814.10 and 34,336.21 is: 51,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,209.53 : 163,814.10 = 34,336.21 : x
  2. Step 2: Convert to fraction form
    109,209.53/163,814.10 = 34,336.21/x
  3. Step 3: Cross multiply
    109,209.53x = 163,814.10 × 34,336.21
  4. Step 4: Simplify right side
    109,209.53x = 5,624,755,338.56
  5. Step 5: Solve for x
    x = 5,624,755,338.56/109,209.53
  6. Step 6: Final answer
    x = 51,504.25

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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.