Home / 129,849.57-179,192.57-73,266.21

Finding the Fourth Proportional to 129,849.57, 179,192.57 and 73,266.21

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Solution

The fourth proportional to 129,849.57, 179,192.57 and 73,266.21 is: 101,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,849.57 : 179,192.57 = 73,266.21 : x
  2. Step 2: Convert to fraction form
    129,849.57/179,192.57 = 73,266.21/x
  3. Step 3: Cross multiply
    129,849.57x = 179,192.57 × 73,266.21
  4. Step 4: Simplify right side
    129,849.57x = 13,128,759,751.26
  5. Step 5: Solve for x
    x = 13,128,759,751.26/129,849.57
  6. Step 6: Final answer
    x = 101,107.46

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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.