Home / 252,043.29-347,819.55-138,866.04

Finding the Fourth Proportional to 252,043.29, 347,819.55 and 138,866.04

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Solution

The fourth proportional to 252,043.29, 347,819.55 and 138,866.04 is: 191,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,043.29 : 347,819.55 = 138,866.04 : x
  2. Step 2: Convert to fraction form
    252,043.29/347,819.55 = 138,866.04/x
  3. Step 3: Cross multiply
    252,043.29x = 347,819.55 × 138,866.04
  4. Step 4: Simplify right side
    252,043.29x = 48,300,323,543.08
  5. Step 5: Solve for x
    x = 48,300,323,543.08/252,043.29
  6. Step 6: Final answer
    x = 191,635.03

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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.