Home / 215,171.04-296,913.28-119,662.40

Finding the Fourth Proportional to 215,171.04, 296,913.28 and 119,662.40

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Solution

The fourth proportional to 215,171.04, 296,913.28 and 119,662.40 is: 165,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,171.04 : 296,913.28 = 119,662.40 : x
  2. Step 2: Convert to fraction form
    215,171.04/296,913.28 = 119,662.40/x
  3. Step 3: Cross multiply
    215,171.04x = 296,913.28 × 119,662.40
  4. Step 4: Simplify right side
    215,171.04x = 35,529,355,676.67
  5. Step 5: Solve for x
    x = 35,529,355,676.67/215,171.04
  6. Step 6: Final answer
    x = 165,121.46

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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.