Home / 112,301.52-154,991.12-108,609.14

Finding the Fourth Proportional to 112,301.52, 154,991.12 and 108,609.14

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Solution

The fourth proportional to 112,301.52, 154,991.12 and 108,609.14 is: 149,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,301.52 : 154,991.12 = 108,609.14 : x
  2. Step 2: Convert to fraction form
    112,301.52/154,991.12 = 108,609.14/x
  3. Step 3: Cross multiply
    112,301.52x = 154,991.12 × 108,609.14
  4. Step 4: Simplify right side
    112,301.52x = 16,833,450,932.84
  5. Step 5: Solve for x
    x = 16,833,450,932.84/112,301.52
  6. Step 6: Final answer
    x = 149,895.13

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1.5x scale

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.