Home / 136,434.87-204,274.44-69,731.37

Finding the Fourth Proportional to 136,434.87, 204,274.44 and 69,731.37

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Solution

The fourth proportional to 136,434.87, 204,274.44 and 69,731.37 is: 104,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,434.87 : 204,274.44 = 69,731.37 : x
  2. Step 2: Convert to fraction form
    136,434.87/204,274.44 = 69,731.37/x
  3. Step 3: Cross multiply
    136,434.87x = 204,274.44 × 69,731.37
  4. Step 4: Simplify right side
    136,434.87x = 14,244,336,557.18
  5. Step 5: Solve for x
    x = 14,244,336,557.18/136,434.87
  6. Step 6: Final answer
    x = 104,403.93

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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.