Home / 211,872.83-292,386.24-116,381.66

Finding the Fourth Proportional to 211,872.83, 292,386.24 and 116,381.66

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Solution

The fourth proportional to 211,872.83, 292,386.24 and 116,381.66 is: 160,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,872.83 : 292,386.24 = 116,381.66 : x
  2. Step 2: Convert to fraction form
    211,872.83/292,386.24 = 116,381.66/x
  3. Step 3: Cross multiply
    211,872.83x = 292,386.24 × 116,381.66
  4. Step 4: Simplify right side
    211,872.83x = 34,028,394,510.43
  5. Step 5: Solve for x
    x = 34,028,394,510.43/211,872.83
  6. Step 6: Final answer
    x = 160,607.64

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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.