Home / 252,108-347,909.04-138,941.28

Finding the Fourth Proportional to 252,108, 347,909.04 and 138,941.28

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Solution

The fourth proportional to 252,108, 347,909.04 and 138,941.28 is: 191,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,108 : 347,909.04 = 138,941.28 : x
  2. Step 2: Convert to fraction form
    252,108/347,909.04 = 138,941.28/x
  3. Step 3: Cross multiply
    252,108x = 347,909.04 × 138,941.28
  4. Step 4: Simplify right side
    252,108x = 48,338,927,341.17
  5. Step 5: Solve for x
    x = 48,338,927,341.17/252,108
  6. Step 6: Final answer
    x = 191,738.97

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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.