Home / 252,068.41-347,852.23-138,890.35

Finding the Fourth Proportional to 252,068.41, 347,852.23 and 138,890.35

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Solution

The fourth proportional to 252,068.41, 347,852.23 and 138,890.35 is: 191,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,068.41 : 347,852.23 = 138,890.35 : x
  2. Step 2: Convert to fraction form
    252,068.41/347,852.23 = 138,890.35/x
  3. Step 3: Cross multiply
    252,068.41x = 347,852.23 × 138,890.35
  4. Step 4: Simplify right side
    252,068.41x = 48,313,317,972.98
  5. Step 5: Solve for x
    x = 48,313,317,972.98/252,068.41
  6. Step 6: Final answer
    x = 191,667.48

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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.