Home / 215,928.28-297,967.51-119,133.28

Finding the Fourth Proportional to 215,928.28, 297,967.51 and 119,133.28

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Solution

The fourth proportional to 215,928.28, 297,967.51 and 119,133.28 is: 164,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,928.28 : 297,967.51 = 119,133.28 : x
  2. Step 2: Convert to fraction form
    215,928.28/297,967.51 = 119,133.28/x
  3. Step 3: Cross multiply
    215,928.28x = 297,967.51 × 119,133.28
  4. Step 4: Simplify right side
    215,928.28x = 35,497,847,321.11
  5. Step 5: Solve for x
    x = 35,497,847,321.11/215,928.28
  6. Step 6: Final answer
    x = 164,396.47

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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.