Home / 136,135.32-187,852.35-75,696.20

Finding the Fourth Proportional to 136,135.32, 187,852.35 and 75,696.20

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Solution

The fourth proportional to 136,135.32, 187,852.35 and 75,696.20 is: 104,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,135.32 : 187,852.35 = 75,696.20 : x
  2. Step 2: Convert to fraction form
    136,135.32/187,852.35 = 75,696.20/x
  3. Step 3: Cross multiply
    136,135.32x = 187,852.35 × 75,696.20
  4. Step 4: Simplify right side
    136,135.32x = 14,219,709,735.99
  5. Step 5: Solve for x
    x = 14,219,709,735.99/136,135.32
  6. Step 6: Final answer
    x = 104,452.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.