Home / 112,229.92-168,339.40-42,103.76

Finding the Fourth Proportional to 112,229.92, 168,339.40 and 42,103.76

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Solution

The fourth proportional to 112,229.92, 168,339.40 and 42,103.76 is: 63,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,229.92 : 168,339.40 = 42,103.76 : x
  2. Step 2: Convert to fraction form
    112,229.92/168,339.40 = 42,103.76/x
  3. Step 3: Cross multiply
    112,229.92x = 168,339.40 × 42,103.76
  4. Step 4: Simplify right side
    112,229.92x = 7,087,721,696.14
  5. Step 5: Solve for x
    x = 7,087,721,696.14/112,229.92
  6. Step 6: Final answer
    x = 63,153.58

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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.