Home / 133,029.72-183,584.90-72,604.24

Finding the Fourth Proportional to 133,029.72, 183,584.90 and 72,604.24

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Solution

The fourth proportional to 133,029.72, 183,584.90 and 72,604.24 is: 100,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.72 : 183,584.90 = 72,604.24 : x
  2. Step 2: Convert to fraction form
    133,029.72/183,584.90 = 72,604.24/x
  3. Step 3: Cross multiply
    133,029.72x = 183,584.90 × 72,604.24
  4. Step 4: Simplify right side
    133,029.72x = 13,329,042,139.98
  5. Step 5: Solve for x
    x = 13,329,042,139.98/133,029.72
  6. Step 6: Final answer
    x = 100,195.97

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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.