Home / 112,279.35-168,272.78-45,641.64

Finding the Fourth Proportional to 112,279.35, 168,272.78 and 45,641.64

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Solution

The fourth proportional to 112,279.35, 168,272.78 and 45,641.64 is: 68,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,279.35 : 168,272.78 = 45,641.64 : x
  2. Step 2: Convert to fraction form
    112,279.35/168,272.78 = 45,641.64/x
  3. Step 3: Cross multiply
    112,279.35x = 168,272.78 × 45,641.64
  4. Step 4: Simplify right side
    112,279.35x = 7,680,245,418.35
  5. Step 5: Solve for x
    x = 7,680,245,418.35/112,279.35
  6. Step 6: Final answer
    x = 68,403.01

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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.