Home / 132,905.90-183,414.57-72,479.84

Finding the Fourth Proportional to 132,905.90, 183,414.57 and 72,479.84

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Solution

The fourth proportional to 132,905.90, 183,414.57 and 72,479.84 is: 100,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,905.90 : 183,414.57 = 72,479.84 : x
  2. Step 2: Convert to fraction form
    132,905.90/183,414.57 = 72,479.84/x
  3. Step 3: Cross multiply
    132,905.90x = 183,414.57 × 72,479.84
  4. Step 4: Simplify right side
    132,905.90x = 13,293,858,047.53
  5. Step 5: Solve for x
    x = 13,293,858,047.53/132,905.90
  6. Step 6: Final answer
    x = 100,024.59

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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.