Home / 149,228.32-205,872.24-98,839.84

Finding the Fourth Proportional to 149,228.32, 205,872.24 and 98,839.84

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Solution

The fourth proportional to 149,228.32, 205,872.24 and 98,839.84 is: 136,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,228.32 : 205,872.24 = 98,839.84 : x
  2. Step 2: Convert to fraction form
    149,228.32/205,872.24 = 98,839.84/x
  3. Step 3: Cross multiply
    149,228.32x = 205,872.24 × 98,839.84
  4. Step 4: Simplify right side
    149,228.32x = 20,348,379,262.04
  5. Step 5: Solve for x
    x = 20,348,379,262.04/149,228.32
  6. Step 6: Final answer
    x = 136,357.36

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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.