Home / 119,019.67-164,292.87-80,796.30

Finding the Fourth Proportional to 119,019.67, 164,292.87 and 80,796.30

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Solution

The fourth proportional to 119,019.67, 164,292.87 and 80,796.30 is: 111,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,019.67 : 164,292.87 = 80,796.30 : x
  2. Step 2: Convert to fraction form
    119,019.67/164,292.87 = 80,796.30/x
  3. Step 3: Cross multiply
    119,019.67x = 164,292.87 × 80,796.30
  4. Step 4: Simplify right side
    119,019.67x = 13,274,255,589.45
  5. Step 5: Solve for x
    x = 13,274,255,589.45/119,019.67
  6. Step 6: Final answer
    x = 111,529.93

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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.