Home / 215,922.28-297,973.20-120,426.52

Finding the Fourth Proportional to 215,922.28, 297,973.20 and 120,426.52

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Solution

The fourth proportional to 215,922.28, 297,973.20 and 120,426.52 is: 166,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,922.28 : 297,973.20 = 120,426.52 : x
  2. Step 2: Convert to fraction form
    215,922.28/297,973.20 = 120,426.52/x
  3. Step 3: Cross multiply
    215,922.28x = 297,973.20 × 120,426.52
  4. Step 4: Simplify right side
    215,922.28x = 35,883,875,529.26
  5. Step 5: Solve for x
    x = 35,883,875,529.26/215,922.28
  6. Step 6: Final answer
    x = 166,188.85

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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.