Home / 217,533.46-300,191.58-120,731.68

Finding the Fourth Proportional to 217,533.46, 300,191.58 and 120,731.68

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Solution

The fourth proportional to 217,533.46, 300,191.58 and 120,731.68 is: 166,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,533.46 : 300,191.58 = 120,731.68 : x
  2. Step 2: Convert to fraction form
    217,533.46/300,191.58 = 120,731.68/x
  3. Step 3: Cross multiply
    217,533.46x = 300,191.58 × 120,731.68
  4. Step 4: Simplify right side
    217,533.46x = 36,242,633,775.25
  5. Step 5: Solve for x
    x = 36,242,633,775.25/217,533.46
  6. Step 6: Final answer
    x = 166,607.17

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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.