Home / 132,976.24-183,506.80-72,546.45

Finding the Fourth Proportional to 132,976.24, 183,506.80 and 72,546.45

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Solution

The fourth proportional to 132,976.24, 183,506.80 and 72,546.45 is: 100,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,976.24 : 183,506.80 = 72,546.45 : x
  2. Step 2: Convert to fraction form
    132,976.24/183,506.80 = 72,546.45/x
  3. Step 3: Cross multiply
    132,976.24x = 183,506.80 × 72,546.45
  4. Step 4: Simplify right side
    132,976.24x = 13,312,766,709.49
  5. Step 5: Solve for x
    x = 13,312,766,709.49/132,976.24
  6. Step 6: Final answer
    x = 100,113.88

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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.