Home / 136,013.43-204,054.75-79,901.01

Finding the Fourth Proportional to 136,013.43, 204,054.75 and 79,901.01

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Solution

The fourth proportional to 136,013.43, 204,054.75 and 79,901.01 is: 119,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,013.43 : 204,054.75 = 79,901.01 : x
  2. Step 2: Convert to fraction form
    136,013.43/204,054.75 = 79,901.01/x
  3. Step 3: Cross multiply
    136,013.43x = 204,054.75 × 79,901.01
  4. Step 4: Simplify right side
    136,013.43x = 16,304,180,620.30
  5. Step 5: Solve for x
    x = 16,304,180,620.30/136,013.43
  6. Step 6: Final answer
    x = 119,871.84

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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.