Home / 132,914.20-183,417.17-79,171.41

Finding the Fourth Proportional to 132,914.20, 183,417.17 and 79,171.41

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Solution

The fourth proportional to 132,914.20, 183,417.17 and 79,171.41 is: 109,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,914.20 : 183,417.17 = 79,171.41 : x
  2. Step 2: Convert to fraction form
    132,914.20/183,417.17 = 79,171.41/x
  3. Step 3: Cross multiply
    132,914.20x = 183,417.17 × 79,171.41
  4. Step 4: Simplify right side
    132,914.20x = 14,521,395,967.11
  5. Step 5: Solve for x
    x = 14,521,395,967.11/132,914.20
  6. Step 6: Final answer
    x = 109,253.91

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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.