Home / 215,736.13-323,619.18-65,964.90

Finding the Fourth Proportional to 215,736.13, 323,619.18 and 65,964.90

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Solution

The fourth proportional to 215,736.13, 323,619.18 and 65,964.90 is: 98,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,736.13 : 323,619.18 = 65,964.90 : x
  2. Step 2: Convert to fraction form
    215,736.13/323,619.18 = 65,964.90/x
  3. Step 3: Cross multiply
    215,736.13x = 323,619.18 × 65,964.90
  4. Step 4: Simplify right side
    215,736.13x = 21,347,506,846.78
  5. Step 5: Solve for x
    x = 21,347,506,846.78/215,736.13
  6. Step 6: Final answer
    x = 98,951.93

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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.