Home / 135,970.41-203,934.56-69,459.69

Finding the Fourth Proportional to 135,970.41, 203,934.56 and 69,459.69

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Solution

The fourth proportional to 135,970.41, 203,934.56 and 69,459.69 is: 104,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,970.41 : 203,934.56 = 69,459.69 : x
  2. Step 2: Convert to fraction form
    135,970.41/203,934.56 = 69,459.69/x
  3. Step 3: Cross multiply
    135,970.41x = 203,934.56 × 69,459.69
  4. Step 4: Simplify right side
    135,970.41x = 14,165,230,970.59
  5. Step 5: Solve for x
    x = 14,165,230,970.59/135,970.41
  6. Step 6: Final answer
    x = 104,178.78

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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.