Home / 132,729.32-183,166.71-79,016.20

Finding the Fourth Proportional to 132,729.32, 183,166.71 and 79,016.20

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Solution

The fourth proportional to 132,729.32, 183,166.71 and 79,016.20 is: 109,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,729.32 : 183,166.71 = 79,016.20 : x
  2. Step 2: Convert to fraction form
    132,729.32/183,166.71 = 79,016.20/x
  3. Step 3: Cross multiply
    132,729.32x = 183,166.71 × 79,016.20
  4. Step 4: Simplify right side
    132,729.32x = 14,473,137,390.70
  5. Step 5: Solve for x
    x = 14,473,137,390.70/132,729.32
  6. Step 6: Final answer
    x = 109,042.50

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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.