Home / 136,028.92-187,716.24-75,598.06

Finding the Fourth Proportional to 136,028.92, 187,716.24 and 75,598.06

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Solution

The fourth proportional to 136,028.92, 187,716.24 and 75,598.06 is: 104,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,028.92 : 187,716.24 = 75,598.06 : x
  2. Step 2: Convert to fraction form
    136,028.92/187,716.24 = 75,598.06/x
  3. Step 3: Cross multiply
    136,028.92x = 187,716.24 × 75,598.06
  4. Step 4: Simplify right side
    136,028.92x = 14,190,983,574.49
  5. Step 5: Solve for x
    x = 14,190,983,574.49/136,028.92
  6. Step 6: Final answer
    x = 104,323.28

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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.