Home / 132,997.74-183,540.51-79,287.18

Finding the Fourth Proportional to 132,997.74, 183,540.51 and 79,287.18

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Solution

The fourth proportional to 132,997.74, 183,540.51 and 79,287.18 is: 109,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.74 : 183,540.51 = 79,287.18 : x
  2. Step 2: Convert to fraction form
    132,997.74/183,540.51 = 79,287.18/x
  3. Step 3: Cross multiply
    132,997.74x = 183,540.51 × 79,287.18
  4. Step 4: Simplify right side
    132,997.74x = 14,552,409,453.66
  5. Step 5: Solve for x
    x = 14,552,409,453.66/132,997.74
  6. Step 6: Final answer
    x = 109,418.47

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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.