Home / 215,468.55-323,202.96-103,122.36

Finding the Fourth Proportional to 215,468.55, 323,202.96 and 103,122.36

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Solution

The fourth proportional to 215,468.55, 323,202.96 and 103,122.36 is: 154,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,468.55 : 323,202.96 = 103,122.36 : x
  2. Step 2: Convert to fraction form
    215,468.55/323,202.96 = 103,122.36/x
  3. Step 3: Cross multiply
    215,468.55x = 323,202.96 × 103,122.36
  4. Step 4: Simplify right side
    215,468.55x = 33,329,451,994.19
  5. Step 5: Solve for x
    x = 33,329,451,994.19/215,468.55
  6. Step 6: Final answer
    x = 154,683.60

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1.5x scale

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.