Home / 109,208.53-163,812.60-34,335.21

Finding the Fourth Proportional to 109,208.53, 163,812.60 and 34,335.21

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Solution

The fourth proportional to 109,208.53, 163,812.60 and 34,335.21 is: 51,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208.53 : 163,812.60 = 34,335.21 : x
  2. Step 2: Convert to fraction form
    109,208.53/163,812.60 = 34,335.21/x
  3. Step 3: Cross multiply
    109,208.53x = 163,812.60 × 34,335.21
  4. Step 4: Simplify right side
    109,208.53x = 5,624,540,021.65
  5. Step 5: Solve for x
    x = 5,624,540,021.65/109,208.53
  6. Step 6: Final answer
    x = 51,502.75

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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.