Home / 252,002.72-347,779.50-138,825.48

Finding the Fourth Proportional to 252,002.72, 347,779.50 and 138,825.48

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Solution

The fourth proportional to 252,002.72, 347,779.50 and 138,825.48 is: 191,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,002.72 : 347,779.50 = 138,825.48 : x
  2. Step 2: Convert to fraction form
    252,002.72/347,779.50 = 138,825.48/x
  3. Step 3: Cross multiply
    252,002.72x = 347,779.50 × 138,825.48
  4. Step 4: Simplify right side
    252,002.72x = 48,280,656,021.66
  5. Step 5: Solve for x
    x = 48,280,656,021.66/252,002.72
  6. Step 6: Final answer
    x = 191,587.84

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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.