Home / 132,919.38-183,425.51-72,491.36

Finding the Fourth Proportional to 132,919.38, 183,425.51 and 72,491.36

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Solution

The fourth proportional to 132,919.38, 183,425.51 and 72,491.36 is: 100,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,919.38 : 183,425.51 = 72,491.36 : x
  2. Step 2: Convert to fraction form
    132,919.38/183,425.51 = 72,491.36/x
  3. Step 3: Cross multiply
    132,919.38x = 183,425.51 × 72,491.36
  4. Step 4: Simplify right side
    132,919.38x = 13,296,763,942.69
  5. Step 5: Solve for x
    x = 13,296,763,942.69/132,919.38
  6. Step 6: Final answer
    x = 100,036.31

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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.