Home / 252,909.10-349,010.47-138,185.29

Finding the Fourth Proportional to 252,909.10, 349,010.47 and 138,185.29

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Solution

The fourth proportional to 252,909.10, 349,010.47 and 138,185.29 is: 190,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,909.10 : 349,010.47 = 138,185.29 : x
  2. Step 2: Convert to fraction form
    252,909.10/349,010.47 = 138,185.29/x
  3. Step 3: Cross multiply
    252,909.10x = 349,010.47 × 138,185.29
  4. Step 4: Simplify right side
    252,909.10x = 48,228,113,618.98
  5. Step 5: Solve for x
    x = 48,228,113,618.98/252,909.10
  6. Step 6: Final answer
    x = 190,693.47

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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.