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Finding the Fourth Proportional to 132,650.28, 183,056.28 and 72,220.80

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Solution

The fourth proportional to 132,650.28, 183,056.28 and 72,220.80 is: 99,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,650.28 : 183,056.28 = 72,220.80 : x
  2. Step 2: Convert to fraction form
    132,650.28/183,056.28 = 72,220.80/x
  3. Step 3: Cross multiply
    132,650.28x = 183,056.28 × 72,220.80
  4. Step 4: Simplify right side
    132,650.28x = 13,220,470,986.62
  5. Step 5: Solve for x
    x = 13,220,470,986.62/132,650.28
  6. Step 6: Final answer
    x = 99,664.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.