Home / 136,288.30-204,474.32-69,775.13

Finding the Fourth Proportional to 136,288.30, 204,474.32 and 69,775.13

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Solution

The fourth proportional to 136,288.30, 204,474.32 and 69,775.13 is: 104,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,288.30 : 204,474.32 = 69,775.13 : x
  2. Step 2: Convert to fraction form
    136,288.30/204,474.32 = 69,775.13/x
  3. Step 3: Cross multiply
    136,288.30x = 204,474.32 × 69,775.13
  4. Step 4: Simplify right side
    136,288.30x = 14,267,222,259.66
  5. Step 5: Solve for x
    x = 14,267,222,259.66/136,288.30
  6. Step 6: Final answer
    x = 104,684.13

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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.