Home / 112,162.79-168,275.97-45,650.65

Finding the Fourth Proportional to 112,162.79, 168,275.97 and 45,650.65

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Solution

The fourth proportional to 112,162.79, 168,275.97 and 45,650.65 is: 68,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,162.79 : 168,275.97 = 45,650.65 : x
  2. Step 2: Convert to fraction form
    112,162.79/168,275.97 = 45,650.65/x
  3. Step 3: Cross multiply
    112,162.79x = 168,275.97 × 45,650.65
  4. Step 4: Simplify right side
    112,162.79x = 7,681,907,181.63
  5. Step 5: Solve for x
    x = 7,681,907,181.63/112,162.79
  6. Step 6: Final answer
    x = 68,488.91

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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.