Home / 169,200.65-253,778.69-80,510.51

Finding the Fourth Proportional to 169,200.65, 253,778.69 and 80,510.51

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Solution

The fourth proportional to 169,200.65, 253,778.69 and 80,510.51 is: 120,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,200.65 : 253,778.69 = 80,510.51 : x
  2. Step 2: Convert to fraction form
    169,200.65/253,778.69 = 80,510.51/x
  3. Step 3: Cross multiply
    169,200.65x = 253,778.69 × 80,510.51
  4. Step 4: Simplify right side
    169,200.65x = 20,431,850,087.59
  5. Step 5: Solve for x
    x = 20,431,850,087.59/169,200.65
  6. Step 6: Final answer
    x = 120,755.15

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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.