Home / 132,910.14-183,415.46-72,480.63

Finding the Fourth Proportional to 132,910.14, 183,415.46 and 72,480.63

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Solution

The fourth proportional to 132,910.14, 183,415.46 and 72,480.63 is: 100,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,910.14 : 183,415.46 = 72,480.63 : x
  2. Step 2: Convert to fraction form
    132,910.14/183,415.46 = 72,480.63/x
  3. Step 3: Cross multiply
    132,910.14x = 183,415.46 × 72,480.63
  4. Step 4: Simplify right side
    132,910.14x = 13,294,067,730.14
  5. Step 5: Solve for x
    x = 13,294,067,730.14/132,910.14
  6. Step 6: Final answer
    x = 100,022.98

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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.