Home / 212,196.08-292,758.86-120,305.54

Finding the Fourth Proportional to 212,196.08, 292,758.86 and 120,305.54

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Solution

The fourth proportional to 212,196.08, 292,758.86 and 120,305.54 is: 165,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,196.08 : 292,758.86 = 120,305.54 : x
  2. Step 2: Convert to fraction form
    212,196.08/292,758.86 = 120,305.54/x
  3. Step 3: Cross multiply
    212,196.08x = 292,758.86 × 120,305.54
  4. Step 4: Simplify right side
    212,196.08x = 35,220,512,742.08
  5. Step 5: Solve for x
    x = 35,220,512,742.08/212,196.08
  6. Step 6: Final answer
    x = 165,980.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.