Home / 215,844.60-323,626.74-103,522.20

Finding the Fourth Proportional to 215,844.60, 323,626.74 and 103,522.20

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Solution

The fourth proportional to 215,844.60, 323,626.74 and 103,522.20 is: 155,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,844.60 : 323,626.74 = 103,522.20 : x
  2. Step 2: Convert to fraction form
    215,844.60/323,626.74 = 103,522.20/x
  3. Step 3: Cross multiply
    215,844.60x = 323,626.74 × 103,522.20
  4. Step 4: Simplify right side
    215,844.60x = 33,502,552,103.63
  5. Step 5: Solve for x
    x = 33,502,552,103.63/215,844.60
  6. Step 6: Final answer
    x = 155,216.08

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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.