Home / 169,448.39-254,174.41-51,120.76

Finding the Fourth Proportional to 169,448.39, 254,174.41 and 51,120.76

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Solution

The fourth proportional to 169,448.39, 254,174.41 and 51,120.76 is: 76,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,448.39 : 254,174.41 = 51,120.76 : x
  2. Step 2: Convert to fraction form
    169,448.39/254,174.41 = 51,120.76/x
  3. Step 3: Cross multiply
    169,448.39x = 254,174.41 × 51,120.76
  4. Step 4: Simplify right side
    169,448.39x = 12,993,589,011.75
  5. Step 5: Solve for x
    x = 12,993,589,011.75/169,448.39
  6. Step 6: Final answer
    x = 76,681.69

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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.