Home / 135,967.30-203,929.86-69,456.58

Finding the Fourth Proportional to 135,967.30, 203,929.86 and 69,456.58

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Solution

The fourth proportional to 135,967.30, 203,929.86 and 69,456.58 is: 104,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,967.30 : 203,929.86 = 69,456.58 : x
  2. Step 2: Convert to fraction form
    135,967.30/203,929.86 = 69,456.58/x
  3. Step 3: Cross multiply
    135,967.30x = 203,929.86 × 69,456.58
  4. Step 4: Simplify right side
    135,967.30x = 14,164,270,635.48
  5. Step 5: Solve for x
    x = 14,164,270,635.48/135,967.30
  6. Step 6: Final answer
    x = 104,174.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.