Home / 136,914.08-205,703.04-129,361.52

Finding the Fourth Proportional to 136,914.08, 205,703.04 and 129,361.52

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Solution

The fourth proportional to 136,914.08, 205,703.04 and 129,361.52 is: 194,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,914.08 : 205,703.04 = 129,361.52 : x
  2. Step 2: Convert to fraction form
    136,914.08/205,703.04 = 129,361.52/x
  3. Step 3: Cross multiply
    136,914.08x = 205,703.04 × 129,361.52
  4. Step 4: Simplify right side
    136,914.08x = 26,610,057,923.02
  5. Step 5: Solve for x
    x = 26,610,057,923.02/136,914.08
  6. Step 6: Final answer
    x = 194,355.89

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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.