Home / 211,475.83-291,836.06-120,859.92

Finding the Fourth Proportional to 211,475.83, 291,836.06 and 120,859.92

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Solution

The fourth proportional to 211,475.83, 291,836.06 and 120,859.92 is: 166,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,475.83 : 291,836.06 = 120,859.92 : x
  2. Step 2: Convert to fraction form
    211,475.83/291,836.06 = 120,859.92/x
  3. Step 3: Cross multiply
    211,475.83x = 291,836.06 × 120,859.92
  4. Step 4: Simplify right side
    211,475.83x = 35,271,280,801.24
  5. Step 5: Solve for x
    x = 35,271,280,801.24/211,475.83
  6. Step 6: Final answer
    x = 166,786.35

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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.