Home / 215,763.73-323,633.95-66,004.04

Finding the Fourth Proportional to 215,763.73, 323,633.95 and 66,004.04

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Solution

The fourth proportional to 215,763.73, 323,633.95 and 66,004.04 is: 99,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,763.73 : 323,633.95 = 66,004.04 : x
  2. Step 2: Convert to fraction form
    215,763.73/323,633.95 = 66,004.04/x
  3. Step 3: Cross multiply
    215,763.73x = 323,633.95 × 66,004.04
  4. Step 4: Simplify right side
    215,763.73x = 21,361,148,181.16
  5. Step 5: Solve for x
    x = 21,361,148,181.16/215,763.73
  6. Step 6: Final answer
    x = 99,002.50

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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.