Home / 252,830.58-348,902.66-138,107.85

Finding the Fourth Proportional to 252,830.58, 348,902.66 and 138,107.85

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Solution

The fourth proportional to 252,830.58, 348,902.66 and 138,107.85 is: 190,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,830.58 : 348,902.66 = 138,107.85 : x
  2. Step 2: Convert to fraction form
    252,830.58/348,902.66 = 138,107.85/x
  3. Step 3: Cross multiply
    252,830.58x = 348,902.66 × 138,107.85
  4. Step 4: Simplify right side
    252,830.58x = 48,186,195,541.34
  5. Step 5: Solve for x
    x = 48,186,195,541.34/252,830.58
  6. Step 6: Final answer
    x = 190,586.90

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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.