Home / 211,504.18-291,941.13-136,052.68

Finding the Fourth Proportional to 211,504.18, 291,941.13 and 136,052.68

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Solution

The fourth proportional to 211,504.18, 291,941.13 and 136,052.68 is: 187,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,504.18 : 291,941.13 = 136,052.68 : x
  2. Step 2: Convert to fraction form
    211,504.18/291,941.13 = 136,052.68/x
  3. Step 3: Cross multiply
    211,504.18x = 291,941.13 × 136,052.68
  4. Step 4: Simplify right side
    211,504.18x = 39,719,373,138.73
  5. Step 5: Solve for x
    x = 39,719,373,138.73/211,504.18
  6. Step 6: Final answer
    x = 187,794.74

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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.