Home / 112,932.11-170,423.04-109,167.77

Finding the Fourth Proportional to 112,932.11, 170,423.04 and 109,167.77

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Solution

The fourth proportional to 112,932.11, 170,423.04 and 109,167.77 is: 164,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.11 : 170,423.04 = 109,167.77 : x
  2. Step 2: Convert to fraction form
    112,932.11/170,423.04 = 109,167.77/x
  3. Step 3: Cross multiply
    112,932.11x = 170,423.04 × 109,167.77
  4. Step 4: Simplify right side
    112,932.11x = 18,604,703,233.42
  5. Step 5: Solve for x
    x = 18,604,703,233.42/112,932.11
  6. Step 6: Final answer
    x = 164,742.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.