Home / 112,067.12-168,125.28-33,187.50

Finding the Fourth Proportional to 112,067.12, 168,125.28 and 33,187.50

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Solution

The fourth proportional to 112,067.12, 168,125.28 and 33,187.50 is: 49,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,067.12 : 168,125.28 = 33,187.50 : x
  2. Step 2: Convert to fraction form
    112,067.12/168,125.28 = 33,187.50/x
  3. Step 3: Cross multiply
    112,067.12x = 168,125.28 × 33,187.50
  4. Step 4: Simplify right side
    112,067.12x = 5,579,657,730
  5. Step 5: Solve for x
    x = 5,579,657,730/112,067.12
  6. Step 6: Final answer
    x = 49,788.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.