Home / 215,775.84-323,652.05-66,016.10

Finding the Fourth Proportional to 215,775.84, 323,652.05 and 66,016.10

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Solution

The fourth proportional to 215,775.84, 323,652.05 and 66,016.10 is: 99,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,775.84 : 323,652.05 = 66,016.10 : x
  2. Step 2: Convert to fraction form
    215,775.84/323,652.05 = 66,016.10/x
  3. Step 3: Cross multiply
    215,775.84x = 323,652.05 × 66,016.10
  4. Step 4: Simplify right side
    215,775.84x = 21,366,246,098.01
  5. Step 5: Solve for x
    x = 21,366,246,098.01/215,775.84
  6. Step 6: Final answer
    x = 99,020.57

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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.