Home / 215,822.30-323,733.45-66,062.30

Finding the Fourth Proportional to 215,822.30, 323,733.45 and 66,062.30

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Solution

The fourth proportional to 215,822.30, 323,733.45 and 66,062.30 is: 99,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.30 : 323,733.45 = 66,062.30 : x
  2. Step 2: Convert to fraction form
    215,822.30/323,733.45 = 66,062.30/x
  3. Step 3: Cross multiply
    215,822.30x = 323,733.45 × 66,062.30
  4. Step 4: Simplify right side
    215,822.30x = 21,386,576,293.94
  5. Step 5: Solve for x
    x = 21,386,576,293.94/215,822.30
  6. Step 6: Final answer
    x = 99,093.45

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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.