Home / 109,491.80-164,237.33-26,385.80

Finding the Fourth Proportional to 109,491.80, 164,237.33 and 26,385.80

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Solution

The fourth proportional to 109,491.80, 164,237.33 and 26,385.80 is: 39,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,491.80 : 164,237.33 = 26,385.80 : x
  2. Step 2: Convert to fraction form
    109,491.80/164,237.33 = 26,385.80/x
  3. Step 3: Cross multiply
    109,491.80x = 164,237.33 × 26,385.80
  4. Step 4: Simplify right side
    109,491.80x = 4,333,532,586.69
  5. Step 5: Solve for x
    x = 4,333,532,586.69/109,491.80
  6. Step 6: Final answer
    x = 39,578.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.