Home / 252,949.68-349,077.60-139,779.72

Finding the Fourth Proportional to 252,949.68, 349,077.60 and 139,779.72

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Solution

The fourth proportional to 252,949.68, 349,077.60 and 139,779.72 is: 192,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,949.68 : 349,077.60 = 139,779.72 : x
  2. Step 2: Convert to fraction form
    252,949.68/349,077.60 = 139,779.72/x
  3. Step 3: Cross multiply
    252,949.68x = 349,077.60 × 139,779.72
  4. Step 4: Simplify right side
    252,949.68x = 48,793,969,186.27
  5. Step 5: Solve for x
    x = 48,793,969,186.27/252,949.68
  6. Step 6: Final answer
    x = 192,899.90

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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.