Home / 211,476.96-291,837.61-120,861.04

Finding the Fourth Proportional to 211,476.96, 291,837.61 and 120,861.04

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Solution

The fourth proportional to 211,476.96, 291,837.61 and 120,861.04 is: 166,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,476.96 : 291,837.61 = 120,861.04 : x
  2. Step 2: Convert to fraction form
    211,476.96/291,837.61 = 120,861.04/x
  3. Step 3: Cross multiply
    211,476.96x = 291,837.61 × 120,861.04
  4. Step 4: Simplify right side
    211,476.96x = 35,271,797,055.71
  5. Step 5: Solve for x
    x = 35,271,797,055.71/211,476.96
  6. Step 6: Final answer
    x = 166,787.90

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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.