Home / 132,738.94-183,176.94-72,308.89

Finding the Fourth Proportional to 132,738.94, 183,176.94 and 72,308.89

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Solution

The fourth proportional to 132,738.94, 183,176.94 and 72,308.89 is: 99,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,738.94 : 183,176.94 = 72,308.89 : x
  2. Step 2: Convert to fraction form
    132,738.94/183,176.94 = 72,308.89/x
  3. Step 3: Cross multiply
    132,738.94x = 183,176.94 × 72,308.89
  4. Step 4: Simplify right side
    132,738.94x = 13,245,321,205.00
  5. Step 5: Solve for x
    x = 13,245,321,205.00/132,738.94
  6. Step 6: Final answer
    x = 99,784.74

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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.