Home / 136,318.48-204,519.46-69,805.70

Finding the Fourth Proportional to 136,318.48, 204,519.46 and 69,805.70

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Solution

The fourth proportional to 136,318.48, 204,519.46 and 69,805.70 is: 104,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,318.48 : 204,519.46 = 69,805.70 : x
  2. Step 2: Convert to fraction form
    136,318.48/204,519.46 = 69,805.70/x
  3. Step 3: Cross multiply
    136,318.48x = 204,519.46 × 69,805.70
  4. Step 4: Simplify right side
    136,318.48x = 14,276,624,068.92
  5. Step 5: Solve for x
    x = 14,276,624,068.92/136,318.48
  6. Step 6: Final answer
    x = 104,729.92

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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.