Home / 215,965.80-298,030.77-119,170.56

Finding the Fourth Proportional to 215,965.80, 298,030.77 and 119,170.56

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Solution

The fourth proportional to 215,965.80, 298,030.77 and 119,170.56 is: 164,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,965.80 : 298,030.77 = 119,170.56 : x
  2. Step 2: Convert to fraction form
    215,965.80/298,030.77 = 119,170.56/x
  3. Step 3: Cross multiply
    215,965.80x = 298,030.77 × 119,170.56
  4. Step 4: Simplify right side
    215,965.80x = 35,516,493,758.13
  5. Step 5: Solve for x
    x = 35,516,493,758.13/215,965.80
  6. Step 6: Final answer
    x = 164,454.25

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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.