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Finding the Fourth Proportional to 132,800.37, 183,259.85 and 72,369.78

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Solution

The fourth proportional to 132,800.37, 183,259.85 and 72,369.78 is: 99,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.37 : 183,259.85 = 72,369.78 : x
  2. Step 2: Convert to fraction form
    132,800.37/183,259.85 = 72,369.78/x
  3. Step 3: Cross multiply
    132,800.37x = 183,259.85 × 72,369.78
  4. Step 4: Simplify right side
    132,800.37x = 13,262,474,385.34
  5. Step 5: Solve for x
    x = 13,262,474,385.34/132,800.37
  6. Step 6: Final answer
    x = 99,867.75

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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.