Home / 215,936.36-298,009.07-119,159.42

Finding the Fourth Proportional to 215,936.36, 298,009.07 and 119,159.42

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Solution

The fourth proportional to 215,936.36, 298,009.07 and 119,159.42 is: 164,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,936.36 : 298,009.07 = 119,159.42 : x
  2. Step 2: Convert to fraction form
    215,936.36/298,009.07 = 119,159.42/x
  3. Step 3: Cross multiply
    215,936.36x = 298,009.07 × 119,159.42
  4. Step 4: Simplify right side
    215,936.36x = 35,510,588,643.52
  5. Step 5: Solve for x
    x = 35,510,588,643.52/215,936.36
  6. Step 6: Final answer
    x = 164,449.32

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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.