Home / 136,373.10-204,609-69,844.56

Finding the Fourth Proportional to 136,373.10, 204,609 and 69,844.56

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Solution

The fourth proportional to 136,373.10, 204,609 and 69,844.56 is: 104,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,373.10 : 204,609 = 69,844.56 : x
  2. Step 2: Convert to fraction form
    136,373.10/204,609 = 69,844.56/x
  3. Step 3: Cross multiply
    136,373.10x = 204,609 × 69,844.56
  4. Step 4: Simplify right side
    136,373.10x = 14,290,825,577.04
  5. Step 5: Solve for x
    x = 14,290,825,577.04/136,373.10
  6. Step 6: Final answer
    x = 104,792.11

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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.