Home / 104,772.21-144,588.72-57,028.65

Finding the Fourth Proportional to 104,772.21, 144,588.72 and 57,028.65

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Solution

The fourth proportional to 104,772.21, 144,588.72 and 57,028.65 is: 78,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,772.21 : 144,588.72 = 57,028.65 : x
  2. Step 2: Convert to fraction form
    104,772.21/144,588.72 = 57,028.65/x
  3. Step 3: Cross multiply
    104,772.21x = 144,588.72 × 57,028.65
  4. Step 4: Simplify right side
    104,772.21x = 8,245,699,506.83
  5. Step 5: Solve for x
    x = 8,245,699,506.83/104,772.21
  6. Step 6: Final answer
    x = 78,701.21

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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.