Home / 112,279.54-168,273.06-45,641.83

Finding the Fourth Proportional to 112,279.54, 168,273.06 and 45,641.83

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Solution

The fourth proportional to 112,279.54, 168,273.06 and 45,641.83 is: 68,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,279.54 : 168,273.06 = 45,641.83 : x
  2. Step 2: Convert to fraction form
    112,279.54/168,273.06 = 45,641.83/x
  3. Step 3: Cross multiply
    112,279.54x = 168,273.06 × 45,641.83
  4. Step 4: Simplify right side
    112,279.54x = 7,680,289,806.26
  5. Step 5: Solve for x
    x = 7,680,289,806.26/112,279.54
  6. Step 6: Final answer
    x = 68,403.29

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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.