Home / 180,181.08-270,278.16-61,851.72

Finding the Fourth Proportional to 180,181.08, 270,278.16 and 61,851.72

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Solution

The fourth proportional to 180,181.08, 270,278.16 and 61,851.72 is: 92,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,181.08 : 270,278.16 = 61,851.72 : x
  2. Step 2: Convert to fraction form
    180,181.08/270,278.16 = 61,851.72/x
  3. Step 3: Cross multiply
    180,181.08x = 270,278.16 × 61,851.72
  4. Step 4: Simplify right side
    180,181.08x = 16,717,169,074.44
  5. Step 5: Solve for x
    x = 16,717,169,074.44/180,181.08
  6. Step 6: Final answer
    x = 92,779.83

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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.