Home / 112,231.22-168,378.47-45,719.09

Finding the Fourth Proportional to 112,231.22, 168,378.47 and 45,719.09

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Solution

The fourth proportional to 112,231.22, 168,378.47 and 45,719.09 is: 68,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,231.22 : 168,378.47 = 45,719.09 : x
  2. Step 2: Convert to fraction form
    112,231.22/168,378.47 = 45,719.09/x
  3. Step 3: Cross multiply
    112,231.22x = 168,378.47 × 45,719.09
  4. Step 4: Simplify right side
    112,231.22x = 7,698,109,353.50
  5. Step 5: Solve for x
    x = 7,698,109,353.50/112,231.22
  6. Step 6: Final answer
    x = 68,591.52

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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.