Home / 132,965.80-183,496.90-76,388.52

Finding the Fourth Proportional to 132,965.80, 183,496.90 and 76,388.52

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Solution

The fourth proportional to 132,965.80, 183,496.90 and 76,388.52 is: 105,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,965.80 : 183,496.90 = 76,388.52 : x
  2. Step 2: Convert to fraction form
    132,965.80/183,496.90 = 76,388.52/x
  3. Step 3: Cross multiply
    132,965.80x = 183,496.90 × 76,388.52
  4. Step 4: Simplify right side
    132,965.80x = 14,017,056,615.59
  5. Step 5: Solve for x
    x = 14,017,056,615.59/132,965.80
  6. Step 6: Final answer
    x = 105,418.51

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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.