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Finding the Fourth Proportional to 108,529, 163,532.98 and 89,239.64

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Solution

The fourth proportional to 108,529, 163,532.98 and 89,239.64 is: 134,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529 : 163,532.98 = 89,239.64 : x
  2. Step 2: Convert to fraction form
    108,529/163,532.98 = 89,239.64/x
  3. Step 3: Cross multiply
    108,529x = 163,532.98 × 89,239.64
  4. Step 4: Simplify right side
    108,529x = 14,593,624,263.33
  5. Step 5: Solve for x
    x = 14,593,624,263.33/108,529
  6. Step 6: Final answer
    x = 134,467.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.