Home / 252,074.52-347,849.10-138,888.36

Finding the Fourth Proportional to 252,074.52, 347,849.10 and 138,888.36

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Solution

The fourth proportional to 252,074.52, 347,849.10 and 138,888.36 is: 191,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,074.52 : 347,849.10 = 138,888.36 : x
  2. Step 2: Convert to fraction form
    252,074.52/347,849.10 = 138,888.36/x
  3. Step 3: Cross multiply
    252,074.52x = 347,849.10 × 138,888.36
  4. Step 4: Simplify right side
    252,074.52x = 48,312,191,026.48
  5. Step 5: Solve for x
    x = 48,312,191,026.48/252,074.52
  6. Step 6: Final answer
    x = 191,658.37

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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.