Home / 215,266.94-323,099.93-108,725.72

Finding the Fourth Proportional to 215,266.94, 323,099.93 and 108,725.72

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Solution

The fourth proportional to 215,266.94, 323,099.93 and 108,725.72 is: 163,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,266.94 : 323,099.93 = 108,725.72 : x
  2. Step 2: Convert to fraction form
    215,266.94/323,099.93 = 108,725.72/x
  3. Step 3: Cross multiply
    215,266.94x = 323,099.93 × 108,725.72
  4. Step 4: Simplify right side
    215,266.94x = 35,129,270,362.07
  5. Step 5: Solve for x
    x = 35,129,270,362.07/215,266.94
  6. Step 6: Final answer
    x = 163,189.35

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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.